Finite Group Databasebeta

← C31×#26049 #21482808

Subgroups — C31×#26049 #21482808

Order 7936.

834 conjugacy classes of subgroups.

The subgroup lattice has 622 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C31×#478C211yesmaximal, characteristic
2C2×C31×#474C211yesmaximal, characteristic
3C31×#2550C211yesmaximal, characteristic, complemented
4C31×#2349C211yesmaximal, characteristic
5C31×#2087C211yesmaximal, characteristic, complemented
6C31×#2086C211yesmaximal, characteristic, complemented
7C31×#2059C211yesmaximal, characteristic, complemented
8C31×#2058C211yesmaximal, characteristic, complemented
9C31×#1949C211yesmaximal, characteristic, complemented
10C31×#1939C211yesmaximal, characteristic, complemented
11C31×#1864C211yesmaximal, characteristic
12C31×#1864C211yesmaximal, characteristic
13C31×#1846C211yesmaximal, characteristic, complemented
14C31×#1804C211yesmaximal, characteristic
15C4×C31×#102C211yesmaximal, characteristic
16C2×C31×C4⋊Q8C2211yescharacteristic
17C2×C31×#125C2211yescharacteristic
18C2×C4×D4×C31C2211yescharacteristic
19C2×C4×D4×C31C2211yescharacteristic
20C2×C4×D4×C31C2211yescharacteristic
21C31×#478—24no—
22C31×#474—24no—
23C2×C31×#107C2211yescharacteristic
24C2×C31×#107C2211yescharacteristic
25C2×C31×#107C2211yescharacteristic
26C2×C31×#106C2211yescharacteristic
27C2×C31×#106C2211yescharacteristic
28C2×C31×#106C2211yescharacteristic
29C2×C31×C4⋊C8C2211yescharacteristic
30C2×C31×C4⋊C8C2211yescharacteristic
31C2×C31×C4⋊C8C2211yescharacteristic
32C2×C31×#102C2211yescharacteristic
33C2×C31×#102C2211yescharacteristic
34C2×C31×#102C2211yescharacteristic
35C2×C31×#102C2211yescharacteristic
36C2×C4×C8×C31C2211yescharacteristic
37C31×#398—21no—
38C31×#395—21no—
39C31×#391—21no—
40C31×#389—21no—
41C31×#389C2211yescharacteristic
42C31×#389C2211yescharacteristic
43C31×#389C2211yescharacteristic
44C31×#389C2211yescharacteristic
45C31×#385—21no—
46C31×#385—21no—
47C31×#382C2211yescharacteristic
48C31×#382C2211yescharacteristic
49C31×#380—21no—
50C4×C4⋊C4×C31C2211yescharacteristic
51C4×C4⋊C4×C31C2211yescharacteristic
52C2×C31×#95—21no—
53C31×#340C2211yescharacteristic
54C31×#340C2211yescharacteristic
55C31×#340C2211yescharacteristic
56C31×#340C2211yescharacteristic
57C31×#340C2211yescharacteristic
58C31×#340C2211yescharacteristic
59C31×#336C2211yescharacteristic
60C31×#336C2211yescharacteristic
61C22×Q8×C31—21no—
62C22×D4×C31C2311yescharacteristic
63C23×C4×C31—21no—
64C23×C4×C31—21no—
65C23×C4×C31—21no—
66C22×C8×C31C2311yescharacteristic
67C22×C8×C31C2311yescharacteristic
68C22×C8×C31C2311yescharacteristic
69C22×C8×C31C2311yescharacteristic
70C31×C4⋊Q8—22no—
71C31×C4⋊Q8—41no—
72C31×#125—22no—
73C31×#125—41no—
74C4×D4×C31—22no—
75C4×D4×C31—22no—
76C4×D4×C31—22no—
77C4×D4×C31—41no—
78C4×D4×C31—41no—
79C4×D4×C31Q814yescomplemented
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×C31D411yescharacteristic
88C2×C4⋊C4×C31D411yescharacteristic
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×C4⋊C4×C31C2311yescharacteristic
96C2×C22⋊C4×C31—21no—
97C2×C22⋊C4×C31—21no—
98C2×C22⋊C4×C31—21no—
99C2×C42×C31—21no—
100C2×C42×C31C2311yescharacteristic
101C2×C42×C31C2311yescharacteristic
102C2×C42×C31C2311yescharacteristic
103C31×#107—22no—
104C31×#107—22no—
105C31×#107—22no—
106C31×#106—22no—
107C31×#106—41no—
108C31×#106—41no—
109C31×C4⋊C8—22no—
110C31×C4⋊C8—22no—
111C31×C4⋊C8—22no—
112C31×#102—22no—
113C31×#102—22no—
114C31×#102D414yes—
115C31×#102Q814yescomplemented
116C4×C8×C31—22no—
117C31×#95—21no—
118C31×#95—21no—
119C31×#95—21no—
120C31×#95—21no—
121C31×#95—21no—
122C31×#95—21no—
123C31×#95—21no—
124C31×#95—21no—
125C31×#95—21no—
126C31×#95D411yescharacteristic
127C31×#95D411yescharacteristic
128C24×C31—21no—
129C2×Q8×C31—42no—
130C2×Q8×C31—42no—
131C2×Q8×C31—81no—
132C2×D4×C31—21no—
133C2×D4×C31—21no—
134C2×D4×C31—21no—
135C2×D4×C31C2×D412yes—
136C2×D4×C31C2×Q812yes—
137C2×D4×C31C2×Q812yes—
138C22×C4×C31—21no—
139C22×C4×C31—21no—
140C22×C4×C31—21no—
141C22×C4×C31—24no—
142C22×C4×C31—21no—
143C22×C4×C31—21no—
144C22×C4×C31—21no—
145C22×C4×C31—21no—
146C22×C4×C31—42no—
147C22×C4×C31—42no—
148C22×C4×C31—42no—
149C22×C4×C31—42no—
150C22×C4×C31—81no—
151C22×C4×C31—81no—
152C22×C4×C31—81no—
153C22×C4×C31—81no—
154C22×C4×C31C2×D411yescharacteristic
155C22×C4×C31C2×D411yescharacteristic
156C22×C4×C31C2×D411yescharacteristic
157C22×C4×C31C2×D411yescharacteristic
158C22×C4×C31C2×D411yescharacteristic
159C22×C4×C31C2×D411yescharacteristic
160C22×C4×C31C2411yescharacteristic
161C2×C8×C31—21no—
162C2×C8×C31—21no—
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×C31C2×D412yes—
172C2×C8×C31C2×Q812yes—
173C4⋊C4×C31—22no—
174C4⋊C4×C31—21no—
175C4⋊C4×C31—21no—
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—41no—
186C4⋊C4×C31—42no—
187C4⋊C4×C31—42no—
188C4⋊C4×C31—42no—
189C4⋊C4×C31—42no—
190C4⋊C4×C31—81no—
191C4⋊C4×C31—81no—
192C4⋊C4×C31—81no—
193C4⋊C4×C31C2×D412yes—
194C4⋊C4×C31C2×Q812yes—
195C4⋊C4×C31C2×Q812yes—
196C22⋊C4×C31—24no—
197C22⋊C4×C31—42no—
198C22⋊C4×C31—42no—
199C42×C31—21no—
200C42×C31—21no—
201C42×C31—21no—
202C42×C31—21no—
203C42×C31—81no—
204C42×C31C2×Q812yes—
205C42×C31#4112yes—
206#26049C3111yesmaximal, characteristic, direct product factor, Sylow
207C23×C31—22no—
208C23×C31—22no—
209C23×C31—22no—
210C23×C31—41no—
211C23×C31—41no—
212C23×C31—41no—
213C23×C31—41no—
214C23×C31C22×D411yescharacteristic
215Q8×C31—84no—
216D4×C31—22no—
217D4×C31—22no—
218D4×C31—22no—
219D4×C31C4⋊Q814yes—
220C2×C4×C31—21no—
221C2×C4×C31—21no—
222C2×C4×C31—21no—
223C2×C4×C31—21no—
224C2×C4×C31—21no—
225C2×C4×C31—21no—
226C2×C4×C31—22no—
227C2×C4×C31—21no—
228C2×C4×C31—21no—
229C2×C4×C31—21no—
230C2×C4×C31—22no—
231C2×C4×C31—22no—
232C2×C4×C31—21no—
233C2×C4×C31—21no—
234C2×C4×C31—21no—
235C2×C4×C31—21no—
236C2×C4×C31—21no—
237C2×C4×C31—21no—
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—84no—
257C2×C4×C31—84no—
258C2×C4×C31—84no—
259C2×C4×C31C22⋊Q812yes—
260C2×C4×C31C22⋊Q812yes—
261C2×C4×C31#13512yes—
262C2×C4×C31C22×D411yescharacteristic
263C2×C4×C31C22×Q811yescharacteristic
264C2×C4×C31C22×Q811yescharacteristic
265C2×C4×C31C2×#4111yescharacteristic
266C2×C4×C31H(5,𝔽2)11yescharacteristic
267C2×C4×C312−1+411yescharacteristic
268C8×C31—22no—
269C8×C31—22no—
270C8×C31—41no—
271C8×C31—41no—
272C2×#478C2×C3111yescharacteristic
273C2×#474C2×C3111yescharacteristic
274#2550C2×C3111yescharacteristic, complemented
275#2349C2×C3111yescharacteristic
276#2087C2×C3111yescharacteristic, complemented
277#2086C2×C3111yescharacteristic, complemented
278#2059C2×C3111yescharacteristic, complemented
279#2058C2×C3111yescharacteristic, complemented
280#1949C2×C3111yescharacteristic, complemented
281#1939C2×C3111yescharacteristic, complemented
282#1864C2×C3111yescharacteristic
283#1864C2×C3111yescharacteristic
284#1846C2×C3111yescharacteristic, complemented
285#1804C2×C3111yescharacteristic
286C4×#102C2×C3111yescharacteristic
287C22×C31—24no—
288C22×C31—42no—
289C22×C31—42no—
290C22×C31—42no—
291C22×C31—42no—
292C22×C31—42no—
293C22×C31—42no—
294C22×C31C2×C22⋊Q811yescharacteristic
295C22×C31D4211yescharacteristic
296C22×C31D4×Q811yescharacteristic
297C22×C31C2×#13511yescharacteristic
298C22×C31#57511yescharacteristic
299C22×C31#57611yescharacteristic
300C22×C31#57711yescharacteristic
301C4×C31—22no—
302C4×C31—22no—
303C4×C31—22no—
304C4×C31—42no—
305C4×C31—42no—
306C4×C31—41no—
307C4×C31—41no—
308C4×C31—41no—
309C4×C31—42no—
310C4×C31—81no—
311C4×C31—81no—
312C4×C31—81no—
313C4×C31—81no—
314C4×C31C2×C4⋊Q811yescharacteristic
315C4×C31#54411yescharacteristic
316C4×C31#54711yescharacteristic
317C4×C31#55411yescharacteristic
318C2×C4⋊Q8C22×C3111yescharacteristic
319C2×#125C22×C3111yescharacteristic
320C2×C4×D4C22×C3111yescharacteristic
321C2×C4×D4C22×C3111yescharacteristic
322C2×C4×D4C22×C3111yescharacteristic
323#478—24no—
324#474—24no—
325C2×#107C22×C3111yescharacteristic
326C2×#107C22×C3111yescharacteristic
327C2×#107C22×C3111yescharacteristic
328C2×#106C22×C3111yescharacteristic
329C2×#106C22×C3111yescharacteristic
330C2×#106C22×C3111yescharacteristic
331C2×C4⋊C8C22×C3111yescharacteristic
332C2×C4⋊C8C22×C3111yescharacteristic
333C2×C4⋊C8C22×C3111yescharacteristic
334C2×#102C22×C3111yescharacteristic
335C2×#102C22×C3111yescharacteristic
336C2×#102C22×C3111yescharacteristic
337C2×#102C22×C3111yescharacteristic
338C2×C4×C8C22×C3111yescharacteristic
339#398—21no—
340#395—21no—
341#391—21no—
342#389—21no—
343#389C22×C3111yescharacteristic
344#389C22×C3111yescharacteristic
345#389C22×C3111yescharacteristic
346#389C22×C3111yescharacteristic
347#385—21no—
348#385—21no—
349#382C22×C3111yescharacteristic
350#382C22×C3111yescharacteristic
351#380—21no—
352C4×C4⋊C4C22×C3111yescharacteristic
353C4×C4⋊C4C22×C3111yescharacteristic
354C2×#95—21no—
355#340C22×C3111yescharacteristic
356#340C22×C3111yescharacteristic
357#340C22×C3111yescharacteristic
358#340C22×C3111yescharacteristic
359#340C22×C3111yescharacteristic
360#340C22×C3111yescharacteristic
361#336C22×C3111yescharacteristic
362#336C22×C3111yescharacteristic
363C2×C31—44no—
364C2×C31#244011yescharacteristic
365C2×C31#307611yescharacteristic
366C2×C31#308111yescharacteristic
367C2×C31#327511yescharacteristic
368C2×C31#328011yescharacteristic
369C2×C31#338111yescharacteristic
370C2×C31#338911yescharacteristic
371C22×Q8—21no—
372C22×D4C23×C3111yescharacteristic
373C23×C4—21no—
374C23×C4—21no—
375C23×C4—21no—
376C22×C8C23×C3111yescharacteristic
377C22×C8C23×C3111yescharacteristic
378C22×C8C23×C3111yescharacteristic
379C22×C8C23×C3111yescharacteristic
380C4⋊Q8—22no—
381C4⋊Q8—41no—
382#125—22no—
383#125—41no—
384C4×D4—22no—
385C4×D4—22no—
386C4×D4—22no—
387C4×D4—41no—
388C4×D4—41no—
389C4×D4Q8×C3114yescomplemented
390C2×C4⋊C4—21no—
391C2×C4⋊C4—21no—
392C2×C4⋊C4—21no—
393C2×C4⋊C4—21no—
394C2×C4⋊C4—21no—
395C2×C4⋊C4—21no—
396C2×C4⋊C4—21no—
397C2×C4⋊C4D4×C3111yescharacteristic
398C2×C4⋊C4D4×C3111yescharacteristic
399C2×C4⋊C4C23×C3111yescharacteristic
400C2×C4⋊C4C23×C3111yescharacteristic
401C2×C4⋊C4C23×C3111yescharacteristic
402C2×C4⋊C4C23×C3111yescharacteristic
403C2×C4⋊C4C23×C3111yescharacteristic
404C2×C4⋊C4C23×C3111yescharacteristic
405C2×C4⋊C4C23×C3111yescharacteristic
406C2×C22⋊C4—21no—
407C2×C22⋊C4—21no—
408C2×C22⋊C4—21no—
409C2×C42—21no—
410C2×C42C23×C3111yescharacteristic
411C2×C42C23×C3111yescharacteristic
412C2×C42C23×C3111yescharacteristic
413#107—22no—
414#107—22no—
415#107—22no—
416#106—22no—
417#106—41no—
418#106—41no—
419C4⋊C8—22no—
420C4⋊C8—22no—
421C4⋊C8—22no—
422#102—22no—
423#102—22no—
424#102D4×C3114yes—
425#102Q8×C3114yescomplemented
426C4×C8—22no—
427#95—21no—
428#95—21no—
429#95—21no—
430#95—21no—
431#95—21no—
432#95—21no—
433#95—21no—
434#95—21no—
435#95—21no—
436#95D4×C3111yescharacteristic
437#95D4×C3111yescharacteristic
438C31#2604911yescharacteristic, direct product factor, Sylow
439C24—21no—
440C2×Q8—42no—
441C2×Q8—42no—
442C2×Q8—81no—
443C2×D4—21no—
444C2×D4—21no—
445C2×D4—21no—
446C2×D4C2×D4×C3112yes—
447C2×D4C2×Q8×C3112yes—
448C2×D4C2×Q8×C3112yes—
449C22×C4—21no—
450C22×C4—21no—
451C22×C4—21no—
452C22×C4—24no—
453C22×C4—21no—
454C22×C4—21no—
455C22×C4—21no—
456C22×C4—21no—
457C22×C4—42no—
458C22×C4—42no—
459C22×C4—42no—
460C22×C4—42no—
461C22×C4—81no—
462C22×C4—81no—
463C22×C4—81no—
464C22×C4—81no—
465C22×C4C2×D4×C3111yescharacteristic
466C22×C4C2×D4×C3111yescharacteristic
467C22×C4C2×D4×C3111yescharacteristic
468C22×C4C2×D4×C3111yescharacteristic
469C22×C4C2×D4×C3111yescharacteristic
470C22×C4C2×D4×C3111yescharacteristic
471C22×C4C24×C3111yescharacteristic
472C2×C8—21no—
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×C8C2×D4×C3112yes—
483C2×C8C2×Q8×C3112yes—
484C4⋊C4—22no—
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—41no—
497C4⋊C4—42no—
498C4⋊C4—42no—
499C4⋊C4—42no—
500C4⋊C4—42no—
501C4⋊C4—81no—
502C4⋊C4—81no—
503C4⋊C4—81no—
504C4⋊C4C2×D4×C3112yes—
505C4⋊C4C2×Q8×C3112yes—
506C4⋊C4C2×Q8×C3112yes—
507C22⋊C4—24no—
508C22⋊C4—42no—
509C22⋊C4—42no—
510C42—21no—
511C42—21no—
512C42—21no—
513C42—21no—
514C42—81no—
515C42C2×Q8×C3112yes—
516C42#41×C3112yes—
517C23—22no—
518C23—22no—
519C23—22no—
520C23—41no—
521C23—41no—
522C23—41no—
523C23—41no—
524C23C22×D4×C3111yescharacteristic
525Q8—84no—
526D4—22no—
527D4—22no—
528D4—22no—
529D4C31×C4⋊Q814yes—
530C2×C4—21no—
531C2×C4—21no—
532C2×C4—21no—
533C2×C4—21no—
534C2×C4—21no—
535C2×C4—21no—
536C2×C4—22no—
537C2×C4—21no—
538C2×C4—21no—
539C2×C4—21no—
540C2×C4—22no—
541C2×C4—22no—
542C2×C4—21no—
543C2×C4—21no—
544C2×C4—21no—
545C2×C4—21no—
546C2×C4—21no—
547C2×C4—21no—
548C2×C4—41no—
549C2×C4—41no—
550C2×C4—41no—
551C2×C4—41no—
552C2×C4—41no—
553C2×C4—41no—
554C2×C4—41no—
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—84no—
567C2×C4—84no—
568C2×C4—84no—
569C2×C4C31×C22⋊Q812yes—
570C2×C4C31×C22⋊Q812yes—
571C2×C4C31×#13512yes—
572C2×C4C22×D4×C3111yescharacteristic
573C2×C4C22×Q8×C3111yescharacteristic
574C2×C4C22×Q8×C3111yescharacteristic
575C2×C4C2×#41×C3111yescharacteristic
576C2×C4C31×H(5,𝔽2)11yescharacteristic
577C2×C4C31×2−1+411yescharacteristic
578C8—22no—
579C8—22no—
580C8—41no—
581C8—41no—
582C22—24no—
583C22—42no—
584C22—42no—
585C22—42no—
586C22—42no—
587C22—42no—
588C22—42no—
589C22C2×C31×C22⋊Q811yescharacteristic
590C22D42×C3111yescharacteristic
591C22D4×Q8×C3111yescharacteristic
592C22C2×C31×#13511yescharacteristic
593C22C31×#57511yescharacteristic
594C22C31×#57611yescharacteristic
595C22C31×#57711yescharacteristic
596C4—22no—
597C4—22no—
598C4—22no—
599C4—42no—
600C4—42no—
601C4—41no—
602C4—41no—
603C4—41no—
604C4—42no—
605C4—81no—
606C4—81no—
607C4—81no—
608C4—81no—
609C4C2×C31×C4⋊Q811yescharacteristic
610C4C31×#54411yescharacteristic
611C4C31×#54711yescharacteristic
612C4C31×#55411yescharacteristic
613C2—44no—
614C2C31×#244011yescharacteristic
615C2C31×#307611yescharacteristic
616C2C31×#308111yescharacteristic
617C2C31×#327511yescharacteristic
618C2C31×#328011yescharacteristic
619C2C31×#338111yescharacteristic
620C2C31×#338911yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC22×D4×C31C23
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C31 ◁ C4×C4⋊C4×C31 ◁ G

Complements

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

NH ≅ G/Ntype
3. C31×#2550C2semidirect
5. C31×#2087C2semidirect
6. C31×#2086C2semidirect
7. C31×#2059C2semidirect
8. C31×#2058C2semidirect
9. C31×#1949C2semidirect
10. C31×#1939C2semidirect
13. C31×#1846C2semidirect
79. C4×D4×C31Q8semidirect
115. C31×#102Q8semidirect
206. #26049C31direct (N × H)
274. #2550C2×C31semidirect
276. #2087C2×C31semidirect
277. #2086C2×C31semidirect
278. #2059C2×C31semidirect
279. #2058C2×C31semidirect
280. #1949C2×C31semidirect
281. #1939C2×C31semidirect
284. #1846C2×C31semidirect
389. C4×D4Q8×C31semidirect
425. #102Q8×C31semidirect
438. C31#26049direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C31×#4782
C2×C31×#4742
C31×#25502
C31×#23492
C31×#20872
C31×#20862
C31×#20592
C31×#20582
C31×#19492
C31×#19392
C31×#18642
C31×#18462
C31×#18042
C4×C31×#1022
#2604931