Finite Group Databasebeta

← C31×#27039 #21483798

Subgroups — C31×#27039 #21483798

Order 7936.

762 conjugacy classes of subgroups.

The subgroup lattice has 638 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#2496C211yesmaximal, characteristic, complemented
2C31×#2363C211yesmaximal, characteristic
3C31×#2071C211yesmaximal, characteristic, complemented
4C31×#2065C211yesmaximal, characteristic, complemented
5C31×#2034C211yesmaximal, characteristic
6C31×#2034C211yesmaximal, characteristic
7C31×#1948C211yesmaximal, characteristic, complemented
8C31×#1941C211yesmaximal, characteristic, complemented
9C31×#1923C211yesmaximal, characteristic, complemented
10C31×#1921C211yesmaximal, characteristic, complemented
11C31×#1920C211yesmaximal, characteristic, complemented
12C31×#1862C211yesmaximal, characteristic, complemented
13C31×#1854C211yesmaximal, characteristic, complemented
14C31×#1825C211yesmaximal, characteristic, complemented
15C4×C31×#102C211yesmaximal, characteristic, complemented
16C2×C31×#126—21no—
17C2×C31×#121C2211yescharacteristic
18C2×C4×D4×C31C2211yescharacteristic
19C2×C31×#117C2211yescharacteristic
20C2×C31×#107C2211yescharacteristic
21C2×C31×#106C2211yescharacteristic
22C2×C31×#106C2211yescharacteristic
23C2×C31×#106C2211yescharacteristic
24C2×C31×C4⋊C8C2211yescharacteristic
25C2×C31×#102C2211yescharacteristic
26C2×C31×#102C2211yescharacteristic
27C2×C31×#102C2211yescharacteristic
28C2×C31×#102C2211yescharacteristic
29C2×C31×C22⋊C8C2211yescharacteristic
30C2×C31×C22⋊C8C2211yescharacteristic
31C2×C4×C8×C31C2211yescharacteristic
32C31×#400—21no—
33C31×#397—21no—
34C31×#390—21no—
35C31×#390C2211yescharacteristic
36C31×#389C2211yescharacteristic
37C31×#389C2211yescharacteristic
38C31×#389C2211yescharacteristic
39C31×#388—21no—
40C31×#387—21no—
41C31×#386—21no—
42C31×#384C2211yescharacteristic
43C31×#380C2211yescharacteristic
44C31×#380C2211yescharacteristic
45C4×C4⋊C4×C31C2211yescharacteristic
46C4×C4⋊C4×C31C2211yescharacteristic
47C4×C22⋊C4×C31—21no—
48C4×C22⋊C4×C31C2211yescharacteristic
49C31×#340C2211yescharacteristic
50C31×#340C2211yescharacteristic
51C31×#340C2211yescharacteristic
52C31×#340C2211yescharacteristic
53C31×#340C2211yescharacteristic
54C31×#340C2211yescharacteristic
55C31×#340C2211yescharacteristic
56C31×#340C2211yescharacteristic
57C31×#336C2211yescharacteristic
58C31×#336C2211yescharacteristic
59C22×D4×C31—21no—
60C22×D4×C31C2311yescharacteristic
61C23×C4×C31—21no—
62C23×C4×C31C2311yescharacteristic
63C22×C8×C31C2311yescharacteristic
64C22×C8×C31C2311yescharacteristic
65C22×C8×C31C2311yescharacteristic
66C22×C8×C31C2311yescharacteristic
67C31×#126—44no—
68C31×#121—22no—
69C31×#121—22no—
70C4×D4×C31—22no—
71C4×D4×C31—41no—
72C31×#117—22no—
73C31×#117—41no—
74C2×C4⋊C4×C31—21no—
75C2×C4⋊C4×C31—21no—
76C2×C4⋊C4×C31—21no—
77C2×C4⋊C4×C31—21no—
78C2×C4⋊C4×C31—21no—
79C2×C4⋊C4×C31C2311yescharacteristic
80C2×C4⋊C4×C31C2311yescharacteristic
81C2×C4⋊C4×C31C2311yescharacteristic
82C2×C4⋊C4×C31C2311yescharacteristic
83C2×C4⋊C4×C31C2311yescharacteristic
84C2×C4⋊C4×C31C2311yescharacteristic
85C2×C4⋊C4×C31C2311yescharacteristic
86C2×C22⋊C4×C31—21no—
87C2×C22⋊C4×C31—21no—
88C2×C22⋊C4×C31—21no—
89C2×C22⋊C4×C31—21no—
90C2×C22⋊C4×C31—21no—
91C2×C22⋊C4×C31—21no—
92C2×C22⋊C4×C31—21no—
93C2×C22⋊C4×C31D411yescharacteristic
94C2×C22⋊C4×C31D411yescharacteristic
95C2×C42×C31—21no—
96C2×C42×C31—21no—
97C2×C42×C31—21no—
98C2×C42×C31C2311yescharacteristic
99C2×C42×C31C2311yescharacteristic
100C31×#107—22no—
101C31×#106—22no—
102C31×#106—22no—
103C31×#106—41no—
104C31×C4⋊C8—22no—
105C31×#102—22no—
106C31×#102—22no—
107C31×#102—22no—
108C31×#102—41no—
109C31×C22⋊C8—22no—
110C31×C22⋊C8—41no—
111C4×C8×C31—41no—
112C31×#95—21no—
113C31×#95—21no—
114C31×#95—21no—
115C31×#95—21no—
116C31×#95—21no—
117C31×#95—21no—
118C31×#95—21no—
119C31×#95D411yescharacteristic
120C31×#95D411yescharacteristic
121C24×C31—21no—
122C24×C31C2×D411yescharacteristic
123C2×D4×C31—24no—
124C2×D4×C31—21no—
125C2×D4×C31—21no—
126C2×D4×C31—21no—
127C2×D4×C31—21no—
128C2×D4×C31—21no—
129C2×D4×C31—81no—
130C2×D4×C31—81no—
131C2×D4×C31#4112yes—
132C22×C4×C31—21no—
133C22×C4×C31—21no—
134C22×C4×C31—21no—
135C22×C4×C31—21no—
136C22×C4×C31—21no—
137C22×C4×C31—21no—
138C22×C4×C31—21no—
139C22×C4×C31—21no—
140C22×C4×C31—21no—
141C22×C4×C31—21no—
142C22×C4×C31—21no—
143C22×C4×C31—21no—
144C22×C4×C31—21no—
145C22×C4×C31—42no—
146C22×C4×C31—42no—
147C22×C4×C31—81no—
148C22×C4×C31C2×D411yescharacteristic
149C22×C4×C31C2×D411yescharacteristic
150C22×C4×C31C2×D411yescharacteristic
151C22×C4×C31C2×D411yescharacteristic
152C22×C4×C31C2×D411yescharacteristic
153C22×C4×C31C2411yescharacteristic
154C2×C8×C31—21no—
155C2×C8×C31—21no—
156C2×C8×C31—21no—
157C2×C8×C31—21no—
158C2×C8×C31—21no—
159C2×C8×C31—21no—
160C2×C8×C31—21no—
161C2×C8×C31—21no—
162C2×C8×C31—21no—
163C2×C8×C31—21no—
164C2×C8×C31—21no—
165C2×C8×C31#4112yes—
166C4⋊C4×C31—21no—
167C4⋊C4×C31—21no—
168C4⋊C4×C31—21no—
169C4⋊C4×C31—21no—
170C4⋊C4×C31—21no—
171C4⋊C4×C31—21no—
172C4⋊C4×C31—21no—
173C4⋊C4×C31—21no—
174C4⋊C4×C31—21no—
175C4⋊C4×C31—21no—
176C4⋊C4×C31—21no—
177C4⋊C4×C31—21no—
178C4⋊C4×C31—42no—
179C4⋊C4×C31—42no—
180C4⋊C4×C31—42no—
181C4⋊C4×C31—42no—
182C4⋊C4×C31—81no—
183C4⋊C4×C31#4112yes—
184C4⋊C4×C31#4112yes—
185C22⋊C4×C31—24no—
186C22⋊C4×C31—22no—
187C22⋊C4×C31—22no—
188C22⋊C4×C31—42no—
189C22⋊C4×C31—42no—
190C22⋊C4×C31—42no—
191C22⋊C4×C31—42no—
192C22⋊C4×C31—42no—
193C22⋊C4×C31—81no—
194C42×C31—21no—
195C42×C31—21no—
196C42×C31—21no—
197C42×C31—21no—
198C42×C31—42no—
199C42×C31—42no—
200C42×C31—81no—
201#27039C3111yesmaximal, characteristic, direct product factor, Sylow
202C23×C31—22no—
203C23×C31—21no—
204C23×C31—21no—
205C23×C31—21no—
206C23×C31—21no—
207C23×C31—21no—
208C23×C31—21no—
209C23×C31—21no—
210C23×C31—41no—
211C23×C31—41no—
212C23×C31—41no—
213C23×C31—41no—
214C23×C31—41no—
215C23×C31—41no—
216C23×C31C22×D411yescharacteristic
217D4×C31—22no—
218D4×C31—22no—
219D4×C31—41no—
220D4×C31—41no—
221D4×C31—84no—
222C2×C4×C31—21no—
223C2×C4×C31—21no—
224C2×C4×C31—21no—
225C2×C4×C31—21no—
226C2×C4×C31—21no—
227C2×C4×C31—22no—
228C2×C4×C31—21no—
229C2×C4×C31—21no—
230C2×C4×C31—22no—
231C2×C4×C31—21no—
232C2×C4×C31—21no—
233C2×C4×C31—21no—
234C2×C4×C31—21no—
235C2×C4×C31—21no—
236C2×C4×C31—21no—
237C2×C4×C31—41no—
238C2×C4×C31—41no—
239C2×C4×C31—41no—
240C2×C4×C31—41no—
241C2×C4×C31—41no—
242C2×C4×C31—41no—
243C2×C4×C31—41no—
244C2×C4×C31—41no—
245C2×C4×C31—41no—
246C2×C4×C31—41no—
247C2×C4×C31—41no—
248C2×C4×C31—41no—
249C2×C4×C31—41no—
250C2×C4×C31—41no—
251C2×C4×C31—41no—
252C2×C4×C31—41no—
253C2×C4×C31—41no—
254C2×C4×C31—41no—
255C2×C4×C31—41no—
256C2×C4×C31—41no—
257C2×C4×C31—41no—
258C2×C4×C31—41no—
259C2×C4×C31—41no—
260C2×C4×C31—84no—
261C2×C4×C31#13512yes—
262C2×C4×C31AGL(1,ℤ/8)12yes—
263C2×C4×C31C2×#4111yescharacteristic
264C2×C4×C31C2×#4111yescharacteristic
265C2×C4×C31C2×#4111yescharacteristic
266C2×C4×C31C2×#4111yescharacteristic
267C2×C4×C31H(5,𝔽2)11yescharacteristic
268C2×C4×C312−1+411yescharacteristic
269C8×C31—22no—
270C8×C31—41no—
271C8×C31—41no—
272C8×C31—41no—
273#2496C2×C3111yescharacteristic, complemented
274#2363C2×C3111yescharacteristic
275#2071C2×C3111yescharacteristic, complemented
276#2065C2×C3111yescharacteristic, complemented
277#2034C2×C3111yescharacteristic
278#2034C2×C3111yescharacteristic
279#1948C2×C3111yescharacteristic, complemented
280#1941C2×C3111yescharacteristic, complemented
281#1923C2×C3111yescharacteristic, complemented
282#1921C2×C3111yescharacteristic, complemented
283#1920C2×C3111yescharacteristic, complemented
284#1862C2×C3111yescharacteristic, complemented
285#1854C2×C3111yescharacteristic, complemented
286#1825C2×C3111yescharacteristic, complemented
287C4×#102C2×C3111yescharacteristic, complemented
288C22×C31—41no—
289C22×C31—41no—
290C22×C31—41no—
291C22×C31—42no—
292C22×C31—41no—
293C22×C31—42no—
294C22×C31—41no—
295C22×C31—42no—
296C22×C31—41no—
297C22×C31—41no—
298C22×C31—81no—
299C22×C31—81no—
300C22×C31—81no—
301C22×C31—81no—
302C22×C31#52511yescharacteristic
303C22×C31#54611yescharacteristic
304C22×C31#54711yescharacteristic
305C22×C31C2×#13511yescharacteristic
306C22×C31C2×AGL(1,ℤ/8)11yescharacteristic
307C22×C31#57711yescharacteristic
308C22×C31#57711yescharacteristic
309C4×C31—22no—
310C4×C31—22no—
311C4×C31—41no—
312C4×C31—42no—
313C4×C31—41no—
314C4×C31—41no—
315C4×C31—42no—
316C4×C31—81no—
317C4×C31—81no—
318C4×C31—81no—
319C4×C31—81no—
320C4×C31—81no—
321C4×C31#52911yescharacteristic
322C4×C31#53911yescharacteristic
323C4×C31#55311yescharacteristic
324C4×C31#55611yescharacteristic
325C2×#126—21no—
326C2×#121C22×C3111yescharacteristic
327C2×C4×D4C22×C3111yescharacteristic
328C2×#117C22×C3111yescharacteristic
329C2×#107C22×C3111yescharacteristic
330C2×#106C22×C3111yescharacteristic
331C2×#106C22×C3111yescharacteristic
332C2×#106C22×C3111yescharacteristic
333C2×C4⋊C8C22×C3111yescharacteristic
334C2×#102C22×C3111yescharacteristic
335C2×#102C22×C3111yescharacteristic
336C2×#102C22×C3111yescharacteristic
337C2×#102C22×C3111yescharacteristic
338C2×C22⋊C8C22×C3111yescharacteristic
339C2×C22⋊C8C22×C3111yescharacteristic
340C2×C4×C8C22×C3111yescharacteristic
341#400—21no—
342#397—21no—
343#390—21no—
344#390C22×C3111yescharacteristic
345#389C22×C3111yescharacteristic
346#389C22×C3111yescharacteristic
347#389C22×C3111yescharacteristic
348#388—21no—
349#387—21no—
350#386—21no—
351#384C22×C3111yescharacteristic
352#380C22×C3111yescharacteristic
353#380C22×C3111yescharacteristic
354C4×C4⋊C4C22×C3111yescharacteristic
355C4×C4⋊C4C22×C3111yescharacteristic
356C4×C22⋊C4—21no—
357C4×C22⋊C4C22×C3111yescharacteristic
358#340C22×C3111yescharacteristic
359#340C22×C3111yescharacteristic
360#340C22×C3111yescharacteristic
361#340C22×C3111yescharacteristic
362#340C22×C3111yescharacteristic
363#340C22×C3111yescharacteristic
364#340C22×C3111yescharacteristic
365#340C22×C3111yescharacteristic
366#336C22×C3111yescharacteristic
367#336C22×C3111yescharacteristic
368C2×C31—81no—
369C2×C31—82no—
370C2×C31#246611yescharacteristic
371C2×C31#310611yescharacteristic
372C2×C31#312311yescharacteristic
373C2×C31#330411yescharacteristic
374C2×C31#330611yescharacteristic
375C2×C31#333711yescharacteristic
376C2×C31#335411yescharacteristic
377C22×D4—21no—
378C22×D4C23×C3111yescharacteristic
379C23×C4—21no—
380C23×C4C23×C3111yescharacteristic
381C22×C8C23×C3111yescharacteristic
382C22×C8C23×C3111yescharacteristic
383C22×C8C23×C3111yescharacteristic
384C22×C8C23×C3111yescharacteristic
385#126—44no—
386#121—22no—
387#121—22no—
388C4×D4—22no—
389C4×D4—41no—
390#117—22no—
391#117—41no—
392C2×C4⋊C4—21no—
393C2×C4⋊C4—21no—
394C2×C4⋊C4—21no—
395C2×C4⋊C4—21no—
396C2×C4⋊C4—21no—
397C2×C4⋊C4C23×C3111yescharacteristic
398C2×C4⋊C4C23×C3111yescharacteristic
399C2×C4⋊C4C23×C3111yescharacteristic
400C2×C4⋊C4C23×C3111yescharacteristic
401C2×C4⋊C4C23×C3111yescharacteristic
402C2×C4⋊C4C23×C3111yescharacteristic
403C2×C4⋊C4C23×C3111yescharacteristic
404C2×C22⋊C4—21no—
405C2×C22⋊C4—21no—
406C2×C22⋊C4—21no—
407C2×C22⋊C4—21no—
408C2×C22⋊C4—21no—
409C2×C22⋊C4—21no—
410C2×C22⋊C4—21no—
411C2×C22⋊C4D4×C3111yescharacteristic
412C2×C22⋊C4D4×C3111yescharacteristic
413C2×C42—21no—
414C2×C42—21no—
415C2×C42—21no—
416C2×C42C23×C3111yescharacteristic
417C2×C42C23×C3111yescharacteristic
418#107—22no—
419#106—22no—
420#106—22no—
421#106—41no—
422C4⋊C8—22no—
423#102—22no—
424#102—22no—
425#102—22no—
426#102—41no—
427C22⋊C8—22no—
428C22⋊C8—41no—
429C4×C8—41no—
430#95—21no—
431#95—21no—
432#95—21no—
433#95—21no—
434#95—21no—
435#95—21no—
436#95—21no—
437#95D4×C3111yescharacteristic
438#95D4×C3111yescharacteristic
439C31#2703911yescharacteristic, direct product factor, Sylow
440C24—21no—
441C24C2×D4×C3111yescharacteristic
442C2×D4—24no—
443C2×D4—21no—
444C2×D4—21no—
445C2×D4—21no—
446C2×D4—21no—
447C2×D4—21no—
448C2×D4—81no—
449C2×D4—81no—
450C2×D4#41×C3112yes—
451C22×C4—21no—
452C22×C4—21no—
453C22×C4—21no—
454C22×C4—21no—
455C22×C4—21no—
456C22×C4—21no—
457C22×C4—21no—
458C22×C4—21no—
459C22×C4—21no—
460C22×C4—21no—
461C22×C4—21no—
462C22×C4—21no—
463C22×C4—21no—
464C22×C4—42no—
465C22×C4—42no—
466C22×C4—81no—
467C22×C4C2×D4×C3111yescharacteristic
468C22×C4C2×D4×C3111yescharacteristic
469C22×C4C2×D4×C3111yescharacteristic
470C22×C4C2×D4×C3111yescharacteristic
471C22×C4C2×D4×C3111yescharacteristic
472C22×C4C24×C3111yescharacteristic
473C2×C8—21no—
474C2×C8—21no—
475C2×C8—21no—
476C2×C8—21no—
477C2×C8—21no—
478C2×C8—21no—
479C2×C8—21no—
480C2×C8—21no—
481C2×C8—21no—
482C2×C8—21no—
483C2×C8—21no—
484C2×C8#41×C3112yes—
485C4⋊C4—21no—
486C4⋊C4—21no—
487C4⋊C4—21no—
488C4⋊C4—21no—
489C4⋊C4—21no—
490C4⋊C4—21no—
491C4⋊C4—21no—
492C4⋊C4—21no—
493C4⋊C4—21no—
494C4⋊C4—21no—
495C4⋊C4—21no—
496C4⋊C4—21no—
497C4⋊C4—42no—
498C4⋊C4—42no—
499C4⋊C4—42no—
500C4⋊C4—42no—
501C4⋊C4—81no—
502C4⋊C4#41×C3112yes—
503C4⋊C4#41×C3112yes—
504C22⋊C4—24no—
505C22⋊C4—22no—
506C22⋊C4—22no—
507C22⋊C4—42no—
508C22⋊C4—42no—
509C22⋊C4—42no—
510C22⋊C4—42no—
511C22⋊C4—42no—
512C22⋊C4—81no—
513C42—21no—
514C42—21no—
515C42—21no—
516C42—21no—
517C42—42no—
518C42—42no—
519C42—81no—
520C23—22no—
521C23—21no—
522C23—21no—
523C23—21no—
524C23—21no—
525C23—21no—
526C23—21no—
527C23—21no—
528C23—41no—
529C23—41no—
530C23—41no—
531C23—41no—
532C23—41no—
533C23—41no—
534C23C22×D4×C3111yescharacteristic
535D4—22no—
536D4—22no—
537D4—41no—
538D4—41no—
539D4—84no—
540C2×C4—21no—
541C2×C4—21no—
542C2×C4—21no—
543C2×C4—21no—
544C2×C4—21no—
545C2×C4—22no—
546C2×C4—21no—
547C2×C4—21no—
548C2×C4—22no—
549C2×C4—21no—
550C2×C4—21no—
551C2×C4—21no—
552C2×C4—21no—
553C2×C4—21no—
554C2×C4—21no—
555C2×C4—41no—
556C2×C4—41no—
557C2×C4—41no—
558C2×C4—41no—
559C2×C4—41no—
560C2×C4—41no—
561C2×C4—41no—
562C2×C4—41no—
563C2×C4—41no—
564C2×C4—41no—
565C2×C4—41no—
566C2×C4—41no—
567C2×C4—41no—
568C2×C4—41no—
569C2×C4—41no—
570C2×C4—41no—
571C2×C4—41no—
572C2×C4—41no—
573C2×C4—41no—
574C2×C4—41no—
575C2×C4—41no—
576C2×C4—41no—
577C2×C4—41no—
578C2×C4—84no—
579C2×C4C31×#13512yes—
580C2×C4C31×AGL(1,ℤ/8)12yes—
581C2×C4C2×#41×C3111yescharacteristic
582C2×C4C2×#41×C3111yescharacteristic
583C2×C4C2×#41×C3111yescharacteristic
584C2×C4C2×#41×C3111yescharacteristic
585C2×C4C31×H(5,𝔽2)11yescharacteristic
586C2×C4C31×2−1+411yescharacteristic
587C8—22no—
588C8—41no—
589C8—41no—
590C8—41no—
591C22—41no—
592C22—41no—
593C22—41no—
594C22—42no—
595C22—41no—
596C22—42no—
597C22—41no—
598C22—42no—
599C22—41no—
600C22—41no—
601C22—81no—
602C22—81no—
603C22—81no—
604C22—81no—
605C22C31×#52511yescharacteristic
606C22C31×#54611yescharacteristic
607C22C31×#54711yescharacteristic
608C22C2×C31×#13511yescharacteristic
609C22C2×C31×AGL(1,ℤ/8)11yescharacteristic
610C22C31×#57711yescharacteristic
611C22C31×#57711yescharacteristic
612C4—22no—
613C4—22no—
614C4—41no—
615C4—42no—
616C4—41no—
617C4—41no—
618C4—42no—
619C4—81no—
620C4—81no—
621C4—81no—
622C4—81no—
623C4—81no—
624C4C31×#52911yescharacteristic
625C4C31×#53911yescharacteristic
626C4C31×#55311yescharacteristic
627C4C31×#55611yescharacteristic
628C2—81no—
629C2—82no—
630C2C31×#246611yescharacteristic
631C2C31×#310611yescharacteristic
632C2C31×#312311yescharacteristic
633C2C31×#330411yescharacteristic
634C2C31×#330611yescharacteristic
635C2C31×#333711yescharacteristic
636C2C31×#335411yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC2×C31×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C31 ◁ C4×C22⋊C4×C31 ◁ G

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

NH ≅ G/Ntype
1. C31×#2496C2semidirect
3. C31×#2071C2semidirect
4. C31×#2065C2semidirect
7. C31×#1948C2semidirect
8. C31×#1941C2semidirect
9. C31×#1923C2semidirect
10. C31×#1921C2semidirect
11. C31×#1920C2semidirect
12. C31×#1862C2semidirect
13. C31×#1854C2semidirect
14. C31×#1825C2semidirect
15. C4×C31×#102C2semidirect
201. #27039C31direct (N × H)
273. #2496C2×C31semidirect
275. #2071C2×C31semidirect
276. #2065C2×C31semidirect
279. #1948C2×C31semidirect
280. #1941C2×C31semidirect
281. #1923C2×C31semidirect
282. #1921C2×C31semidirect
283. #1920C2×C31semidirect
284. #1862C2×C31semidirect
285. #1854C2×C31semidirect
286. #1825C2×C31semidirect
287. C4×#102C2×C31semidirect
439. C31#27039direct (N × H)

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroupindex
C31×#24962
C31×#23632
C31×#20712
C31×#20652
C31×#20342
C31×#19482
C31×#19412
C31×#19232
C31×#19212
C31×#19202
C31×#18622
C31×#18542
C31×#18252
C4×C31×#1022
#2703931