Finite Group Databasebeta

← C31×#26679 #21483438

Subgroups — C31×#26679 #21483438

Order 7936.

754 conjugacy classes of subgroups.

The subgroup lattice has 636 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#2423C211yesmaximal, characteristic
2C31×#2360C211yesmaximal, characteristic
3C31×#2099C211yesmaximal, characteristic, complemented
4C31×#2068C211yesmaximal, characteristic, complemented
5C31×#2036C211yesmaximal, characteristic
6C31×#2001C211yesmaximal, characteristic
7C31×#1935C211yesmaximal, characteristic, complemented
8C31×#1924C211yesmaximal, characteristic
9C31×#1918C211yesmaximal, characteristic, complemented
10C31×#1878C211yesmaximal, characteristic, complemented
11C31×#1878C211yesmaximal, characteristic, complemented
12C31×#1872C211yesmaximal, characteristic
13C31×#1823C211yesmaximal, characteristic
14C31×#1803C211yesmaximal, characteristic, complemented
15C31×#1763C211yesmaximal, characteristic, complemented
16C22×Q16×C31C2211yescharacteristic
17C2×C31×C22⋊Q8C2211yescharacteristic
18C2×C31×C22⋊Q8C2211yescharacteristic
19C2×C4×Q8×C31C2211yescharacteristic
20C2×C4×Q8×C31C2211yescharacteristic
21C22×C4⋊C4×C31C2211yescharacteristic
22C2×C31×#107C2211yescharacteristic
23C2×C31×C4⋊C8C2211yescharacteristic
24C2×C31×#103C2211yescharacteristic
25C2×C31×#103C2211yescharacteristic
26C2×C31×#103C2211yescharacteristic
27C2×C31×#103C2211yescharacteristic
28C2×C31×#103C2211yescharacteristic
29C2×C31×#103C2211yescharacteristic
30C2×C31×C22⋊C8C2211yescharacteristic
31C2×C31×C22⋊C8C2211yescharacteristic
32C2×C31×#97C2211yescharacteristic
33C31×#399—21no—
34C31×#398—21no—
35C31×#391C2211yescharacteristic
36C31×#391C2211yescharacteristic
37C31×#389—21no—
38C31×#389C2211yescharacteristic
39C31×#389C2211yescharacteristic
40C31×#388—21no—
41C31×#387—21no—
42C31×#387—21no—
43C31×#385—21no—
44C31×#384C2211yescharacteristic
45C31×#380C2211yescharacteristic
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×Q8×C31C2311yescharacteristic
60C22×Q8×C31C2311yescharacteristic
61C23×C4×C31—21no—
62C23×C4×C31C2311yescharacteristic
63C2×Q16×C31—22no—
64C2×Q16×C31—22no—
65C2×Q16×C31—41no—
66C22×C8×C31C2311yescharacteristic
67C22×C8×C31C2311yescharacteristic
68C22×C8×C31C2311yescharacteristic
69C22×C8×C31C2311yescharacteristic
70C31×C22⋊Q8—22no—
71C31×C22⋊Q8—22no—
72C31×C22⋊Q8—22no—
73C31×C22⋊Q8—41no—
74C4×Q8×C31—22no—
75C4×Q8×C31—22no—
76C4×Q8×C31—41no—
77C4×Q8×C31—41no—
78C2×C4⋊C4×C31—21no—
79C2×C4⋊C4×C31—22no—
80C2×C4⋊C4×C31—21no—
81C2×C4⋊C4×C31—21no—
82C2×C4⋊C4×C31—21no—
83C2×C4⋊C4×C31—21no—
84C2×C4⋊C4×C31—21no—
85C2×C4⋊C4×C31—21no—
86C2×C4⋊C4×C31—21no—
87C2×C4⋊C4×C31—21no—
88C2×C4⋊C4×C31—41no—
89C2×C4⋊C4×C31C2311yescharacteristic
90C2×C4⋊C4×C31C2311yescharacteristic
91C2×C4⋊C4×C31C2311yescharacteristic
92C2×C4⋊C4×C31C2311yescharacteristic
93C2×C4⋊C4×C31C2311yescharacteristic
94C2×C4⋊C4×C31C2311yescharacteristic
95C2×C22⋊C4×C31—21no—
96C2×C22⋊C4×C31—21no—
97C2×C22⋊C4×C31—21no—
98C2×C22⋊C4×C31D411yescharacteristic
99C2×C22⋊C4×C31D411yescharacteristic
100C2×C42×C31—21no—
101C2×C42×C31—21no—
102C2×C42×C31—21no—
103C2×C42×C31C2311yescharacteristic
104C2×C42×C31C2311yescharacteristic
105C31×#107—22no—
106C31×C4⋊C8—41no—
107C31×#103—22no—
108C31×#103—22no—
109C31×#103—22no—
110C31×#103—41no—
111C31×#103—41no—
112C31×#103—41no—
113C31×C22⋊C8—41no—
114C31×C22⋊C8—41no—
115C31×#97—41no—
116C31×#95—21no—
117C31×#95—21no—
118C31×#95—21no—
119C31×#95—21no—
120C31×#95—21no—
121C31×#95—21no—
122C31×#95—21no—
123C31×#95—21no—
124C31×#95D411yescharacteristic
125C31×#95D411yescharacteristic
126C24×C31C2×D411yescharacteristic
127C2×Q8×C31—21no—
128C2×Q8×C31—21no—
129C2×Q8×C31—21no—
130C2×Q8×C31—21no—
131C2×Q8×C31—21no—
132C2×Q8×C31—21no—
133C2×Q8×C31—21no—
134C2×Q8×C31—21no—
135C2×Q8×C31—21no—
136C2×Q8×C31—21no—
137C2×Q8×C31#4112yes—
138C2×Q8×C31#4112yes—
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—21no—
146C22×C4×C31—21no—
147C22×C4×C31—21no—
148C22×C4×C31—21no—
149C22×C4×C31—21no—
150C22×C4×C31—21no—
151C22×C4×C31—21no—
152C22×C4×C31—21no—
153C22×C4×C31—42no—
154C22×C4×C31—42no—
155C22×C4×C31—81no—
156C22×C4×C31C2×D411yescharacteristic
157C22×C4×C31C2×D411yescharacteristic
158C22×C4×C31C2×D411yescharacteristic
159C22×C4×C31C2×D411yescharacteristic
160C22×C4×C31C2×D411yescharacteristic
161C22×C4×C31C2411yescharacteristic
162Q16×C31—44no—
163C2×C8×C31—21no—
164C2×C8×C31—21no—
165C2×C8×C31—21no—
166C2×C8×C31—21no—
167C2×C8×C31—21no—
168C2×C8×C31—21no—
169C2×C8×C31—21no—
170C2×C8×C31—21no—
171C2×C8×C31—21no—
172C2×C8×C31—21no—
173C2×C8×C31—21no—
174C2×C8×C31—21no—
175C4⋊C4×C31—24no—
176C4⋊C4×C31—21no—
177C4⋊C4×C31—21no—
178C4⋊C4×C31—21no—
179C4⋊C4×C31—21no—
180C4⋊C4×C31—21no—
181C4⋊C4×C31—21no—
182C4⋊C4×C31—21no—
183C4⋊C4×C31—21no—
184C4⋊C4×C31—21no—
185C4⋊C4×C31—21no—
186C4⋊C4×C31—42no—
187C4⋊C4×C31—42no—
188C4⋊C4×C31—42no—
189C4⋊C4×C31—42no—
190C4⋊C4×C31—42no—
191C4⋊C4×C31—81no—
192C4⋊C4×C31—81no—
193C4⋊C4×C31—81no—
194C4⋊C4×C31#4112yes—
195C4⋊C4×C31#4112yes—
196C22⋊C4×C31—24no—
197C22⋊C4×C31—22no—
198C22⋊C4×C31—22no—
199C22⋊C4×C31—42no—
200C22⋊C4×C31—81no—
201C42×C31—21no—
202C42×C31—21no—
203C42×C31—21no—
204C42×C31—21no—
205C42×C31—42no—
206C42×C31—42no—
207C42×C31—81no—
208#26679C3111yesmaximal, characteristic, direct product factor, Sylow
209C23×C31—21no—
210C23×C31—21no—
211C23×C31—21no—
212C23×C31—21no—
213C23×C31—21no—
214C23×C31—21no—
215C23×C31#13712yes—
216C23×C31C22×D411yescharacteristic
217Q8×C31—22no—
218Q8×C31—22no—
219Q8×C31—22no—
220Q8×C31—22no—
221Q8×C31—41no—
222Q8×C31—41no—
223Q8×C31—41no—
224Q8×C31—41no—
225C2×C4×C31—21no—
226C2×C4×C31—21no—
227C2×C4×C31—22no—
228C2×C4×C31—22no—
229C2×C4×C31—21no—
230C2×C4×C31—21no—
231C2×C4×C31—21no—
232C2×C4×C31—21no—
233C2×C4×C31—22no—
234C2×C4×C31—22no—
235C2×C4×C31—21no—
236C2×C4×C31—21no—
237C2×C4×C31—21no—
238C2×C4×C31—21no—
239C2×C4×C31—21no—
240C2×C4×C31—21no—
241C2×C4×C31—21no—
242C2×C4×C31—21no—
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—41no—
261C2×C4×C31—41no—
262C2×C4×C31—41no—
263C2×C4×C31—41no—
264C2×C4×C31—41no—
265C2×C4×C31—41no—
266C2×C4×C31—41no—
267C2×C4×C31—84no—
268C2×C4×C31#13712yes—
269C2×C4×C31C2×#4111yescharacteristic
270C2×C4×C31C2×#4111yescharacteristic
271C2×C4×C31C2×#4111yescharacteristic
272C2×C4×C31C2×#4111yescharacteristic
273C2×C4×C31H(5,𝔽2)11yescharacteristic
274C2×C4×C31H(5,𝔽2)11yescharacteristic
275C8×C31—41no—
276C8×C31—41no—
277C8×C31—41no—
278C8×C31—41no—
279#2423C2×C3111yescharacteristic
280#2360C2×C3111yescharacteristic
281#2099C2×C3111yescharacteristic, complemented
282#2068C2×C3111yescharacteristic, complemented
283#2036C2×C3111yescharacteristic
284#2001C2×C3111yescharacteristic
285#1935C2×C3111yescharacteristic, complemented
286#1924C2×C3111yescharacteristic
287#1918C2×C3111yescharacteristic, complemented
288#1878C2×C3111yescharacteristic, complemented
289#1878C2×C3111yescharacteristic, complemented
290#1872C2×C3111yescharacteristic
291#1823C2×C3111yescharacteristic
292#1803C2×C3111yescharacteristic, complemented
293#1763C2×C3111yescharacteristic, complemented
294C22×C31—22no—
295C22×C31—22no—
296C22×C31—22no—
297C22×C31—41no—
298C22×C31—41no—
299C22×C31—41no—
300C22×C31—41no—
301C22×C31#52511yescharacteristic
302C22×C31#54611yescharacteristic
303C22×C31#54611yescharacteristic
304C22×C31C2×#13711yescharacteristic
305C22×C31C2×#13711yescharacteristic
306C22×C31#57611yescharacteristic
307C22×C31#57811yescharacteristic
308C4×C31—22no—
309C4×C31—41no—
310C4×C31—42no—
311C4×C31—41no—
312C4×C31—42no—
313C4×C31—42no—
314C4×C31—41no—
315C4×C31—41no—
316C4×C31—42no—
317C4×C31—81no—
318C4×C31—81no—
319C4×C31—81no—
320C4×C31—81no—
321C4×C31#52911yescharacteristic
322C4×C31#54011yescharacteristic
323C4×C31#55111yescharacteristic
324C4×C31#55311yescharacteristic
325C22×Q16C22×C3111yescharacteristic
326C2×C22⋊Q8C22×C3111yescharacteristic
327C2×C22⋊Q8C22×C3111yescharacteristic
328C2×C4×Q8C22×C3111yescharacteristic
329C2×C4×Q8C22×C3111yescharacteristic
330C22×C4⋊C4C22×C3111yescharacteristic
331C2×#107C22×C3111yescharacteristic
332C2×C4⋊C8C22×C3111yescharacteristic
333C2×#103C22×C3111yescharacteristic
334C2×#103C22×C3111yescharacteristic
335C2×#103C22×C3111yescharacteristic
336C2×#103C22×C3111yescharacteristic
337C2×#103C22×C3111yescharacteristic
338C2×#103C22×C3111yescharacteristic
339C2×C22⋊C8C22×C3111yescharacteristic
340C2×C22⋊C8C22×C3111yescharacteristic
341C2×#97C22×C3111yescharacteristic
342#399—21no—
343#398—21no—
344#391C22×C3111yescharacteristic
345#391C22×C3111yescharacteristic
346#389—21no—
347#389C22×C3111yescharacteristic
348#389C22×C3111yescharacteristic
349#388—21no—
350#387—21no—
351#387—21no—
352#385—21no—
353#384C22×C3111yescharacteristic
354#380C22×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—42no—
369C2×C31#245711yescharacteristic
370C2×C31#311311yescharacteristic
371C2×C31#312411yescharacteristic
372C2×C31#331211yescharacteristic
373C2×C31#331211yescharacteristic
374C2×C31#331411yescharacteristic
375C2×C31#333311yescharacteristic
376C22×Q8C23×C3111yescharacteristic
377C22×Q8C23×C3111yescharacteristic
378C23×C4—21no—
379C23×C4C23×C3111yescharacteristic
380C2×Q16—22no—
381C2×Q16—22no—
382C2×Q16—41no—
383C22×C8C23×C3111yescharacteristic
384C22×C8C23×C3111yescharacteristic
385C22×C8C23×C3111yescharacteristic
386C22×C8C23×C3111yescharacteristic
387C22⋊Q8—22no—
388C22⋊Q8—22no—
389C22⋊Q8—22no—
390C22⋊Q8—41no—
391C4×Q8—22no—
392C4×Q8—22no—
393C4×Q8—41no—
394C4×Q8—41no—
395C2×C4⋊C4—21no—
396C2×C4⋊C4—22no—
397C2×C4⋊C4—21no—
398C2×C4⋊C4—21no—
399C2×C4⋊C4—21no—
400C2×C4⋊C4—21no—
401C2×C4⋊C4—21no—
402C2×C4⋊C4—21no—
403C2×C4⋊C4—21no—
404C2×C4⋊C4—21no—
405C2×C4⋊C4—41no—
406C2×C4⋊C4C23×C3111yescharacteristic
407C2×C4⋊C4C23×C3111yescharacteristic
408C2×C4⋊C4C23×C3111yescharacteristic
409C2×C4⋊C4C23×C3111yescharacteristic
410C2×C4⋊C4C23×C3111yescharacteristic
411C2×C4⋊C4C23×C3111yescharacteristic
412C2×C22⋊C4—21no—
413C2×C22⋊C4—21no—
414C2×C22⋊C4—21no—
415C2×C22⋊C4D4×C3111yescharacteristic
416C2×C22⋊C4D4×C3111yescharacteristic
417C2×C42—21no—
418C2×C42—21no—
419C2×C42—21no—
420C2×C42C23×C3111yescharacteristic
421C2×C42C23×C3111yescharacteristic
422#107—22no—
423C4⋊C8—41no—
424#103—22no—
425#103—22no—
426#103—22no—
427#103—41no—
428#103—41no—
429#103—41no—
430C22⋊C8—41no—
431C22⋊C8—41no—
432#97—41no—
433#95—21no—
434#95—21no—
435#95—21no—
436#95—21no—
437#95—21no—
438#95—21no—
439#95—21no—
440#95—21no—
441#95D4×C3111yescharacteristic
442#95D4×C3111yescharacteristic
443C31#2667911yescharacteristic, direct product factor, Sylow
444C24C2×D4×C3111yescharacteristic
445C2×Q8—21no—
446C2×Q8—21no—
447C2×Q8—21no—
448C2×Q8—21no—
449C2×Q8—21no—
450C2×Q8—21no—
451C2×Q8—21no—
452C2×Q8—21no—
453C2×Q8—21no—
454C2×Q8—21no—
455C2×Q8#41×C3112yes—
456C2×Q8#41×C3112yes—
457C22×C4—21no—
458C22×C4—21no—
459C22×C4—21no—
460C22×C4—21no—
461C22×C4—21no—
462C22×C4—21no—
463C22×C4—21no—
464C22×C4—21no—
465C22×C4—21no—
466C22×C4—21no—
467C22×C4—21no—
468C22×C4—21no—
469C22×C4—21no—
470C22×C4—21no—
471C22×C4—42no—
472C22×C4—42no—
473C22×C4—81no—
474C22×C4C2×D4×C3111yescharacteristic
475C22×C4C2×D4×C3111yescharacteristic
476C22×C4C2×D4×C3111yescharacteristic
477C22×C4C2×D4×C3111yescharacteristic
478C22×C4C2×D4×C3111yescharacteristic
479C22×C4C24×C3111yescharacteristic
480Q16—44no—
481C2×C8—21no—
482C2×C8—21no—
483C2×C8—21no—
484C2×C8—21no—
485C2×C8—21no—
486C2×C8—21no—
487C2×C8—21no—
488C2×C8—21no—
489C2×C8—21no—
490C2×C8—21no—
491C2×C8—21no—
492C2×C8—21no—
493C4⋊C4—24no—
494C4⋊C4—21no—
495C4⋊C4—21no—
496C4⋊C4—21no—
497C4⋊C4—21no—
498C4⋊C4—21no—
499C4⋊C4—21no—
500C4⋊C4—21no—
501C4⋊C4—21no—
502C4⋊C4—21no—
503C4⋊C4—21no—
504C4⋊C4—42no—
505C4⋊C4—42no—
506C4⋊C4—42no—
507C4⋊C4—42no—
508C4⋊C4—42no—
509C4⋊C4—81no—
510C4⋊C4—81no—
511C4⋊C4—81no—
512C4⋊C4#41×C3112yes—
513C4⋊C4#41×C3112yes—
514C22⋊C4—24no—
515C22⋊C4—22no—
516C22⋊C4—22no—
517C22⋊C4—42no—
518C22⋊C4—81no—
519C42—21no—
520C42—21no—
521C42—21no—
522C42—21no—
523C42—42no—
524C42—42no—
525C42—81no—
526C23—21no—
527C23—21no—
528C23—21no—
529C23—21no—
530C23—21no—
531C23—21no—
532C23C31×#13712yes—
533C23C22×D4×C3111yescharacteristic
534Q8—22no—
535Q8—22no—
536Q8—22no—
537Q8—22no—
538Q8—41no—
539Q8—41no—
540Q8—41no—
541Q8—41no—
542C2×C4—21no—
543C2×C4—21no—
544C2×C4—22no—
545C2×C4—22no—
546C2×C4—21no—
547C2×C4—21no—
548C2×C4—21no—
549C2×C4—21no—
550C2×C4—22no—
551C2×C4—22no—
552C2×C4—21no—
553C2×C4—21no—
554C2×C4—21no—
555C2×C4—21no—
556C2×C4—21no—
557C2×C4—21no—
558C2×C4—21no—
559C2×C4—21no—
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—41no—
579C2×C4—41no—
580C2×C4—41no—
581C2×C4—41no—
582C2×C4—41no—
583C2×C4—41no—
584C2×C4—84no—
585C2×C4C31×#13712yes—
586C2×C4C2×#41×C3111yescharacteristic
587C2×C4C2×#41×C3111yescharacteristic
588C2×C4C2×#41×C3111yescharacteristic
589C2×C4C2×#41×C3111yescharacteristic
590C2×C4C31×H(5,𝔽2)11yescharacteristic
591C2×C4C31×H(5,𝔽2)11yescharacteristic
592C8—41no—
593C8—41no—
594C8—41no—
595C8—41no—
596C22—22no—
597C22—22no—
598C22—22no—
599C22—41no—
600C22—41no—
601C22—41no—
602C22—41no—
603C22C31×#52511yescharacteristic
604C22C31×#54611yescharacteristic
605C22C31×#54611yescharacteristic
606C22C2×C31×#13711yescharacteristic
607C22C2×C31×#13711yescharacteristic
608C22C31×#57611yescharacteristic
609C22C31×#57811yescharacteristic
610C4—22no—
611C4—41no—
612C4—42no—
613C4—41no—
614C4—42no—
615C4—42no—
616C4—41no—
617C4—41no—
618C4—42no—
619C4—81no—
620C4—81no—
621C4—81no—
622C4—81no—
623C4C31×#52911yescharacteristic
624C4C31×#54011yescharacteristic
625C4C31×#55111yescharacteristic
626C4C31×#55311yescharacteristic
627C2—42no—
628C2C31×#245711yescharacteristic
629C2C31×#311311yescharacteristic
630C2C31×#312411yescharacteristic
631C2C31×#331211yescharacteristic
632C2C31×#331211yescharacteristic
633C2C31×#331411yescharacteristic
634C2C31×#333311yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC24×C31C2×D4
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
3. C31×#2099C2semidirect
4. C31×#2068C2semidirect
7. C31×#1935C2semidirect
9. C31×#1918C2semidirect
10. C31×#1878C2semidirect
11. C31×#1878C2semidirect
14. C31×#1803C2semidirect
15. C31×#1763C2semidirect
208. #26679C31direct (N × H)
281. #2099C2×C31semidirect
282. #2068C2×C31semidirect
285. #1935C2×C31semidirect
287. #1918C2×C31semidirect
288. #1878C2×C31semidirect
289. #1878C2×C31semidirect
292. #1803C2×C31semidirect
293. #1763C2×C31semidirect
443. C31#26679direct (N × H)

Maximal subgroups

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

subgroupindex
C31×#24232
C31×#23602
C31×#20992
C31×#20682
C31×#20362
C31×#20012
C31×#19352
C31×#19242
C31×#19182
C31×#18782
C31×#18722
C31×#18232
C31×#18032
C31×#17632
#2667931