Finite Group Databasebeta

← C31×#26726 #21483485

Subgroups — C31×#26726 #21483485

Order 7936.

764 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×#2492C211yesmaximal, characteristic
2C31×#2360C211yesmaximal, characteristic
3C31×#2056C211yesmaximal, characteristic, complemented
4C31×#2036C211yesmaximal, characteristic
5C31×#2024C211yesmaximal, characteristic, complemented
6C31×#2001C211yesmaximal, characteristic
7C31×#1987C211yesmaximal, characteristic, complemented
8C31×#1933C211yesmaximal, characteristic, complemented
9C31×#1928C211yesmaximal, characteristic, complemented
10C31×#1923C211yesmaximal, characteristic
11C31×#1921C211yesmaximal, characteristic, complemented
12C31×#1878C211yesmaximal, characteristic, complemented
13C31×#1872C211yesmaximal, characteristic
14C31×#1824C211yesmaximal, characteristic
15C4×C31×#103C211yesmaximal, characteristic, complemented
16C22×Q16×C31C2211yescharacteristic
17C2×C31×C4⋊Q8C2211yescharacteristic
18C2×C31×C22⋊Q8C2211yescharacteristic
19C2×C31×C22⋊Q8C2211yescharacteristic
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×C4×C8×C31C2211yescharacteristic
33C31×#400—21no—
34C31×#393—21no—
35C31×#391—21no—
36C31×#391C2211yescharacteristic
37C31×#391C2211yescharacteristic
38C31×#391C2211yescharacteristic
39C31×#389—21no—
40C31×#389C2211yescharacteristic
41C31×#388—21no—
42C31×#387—21no—
43C31×#385—21no—
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×Q8×C31—21no—
60C22×Q8×C31C2311yescharacteristic
61C22×Q8×C31C2311yescharacteristic
62C23×C4×C31—21no—
63C23×C4×C31C2311yescharacteristic
64C2×Q16×C31—22no—
65C2×Q16×C31—41no—
66C2×Q16×C31—41no—
67C22×C8×C31C2311yescharacteristic
68C22×C8×C31C2311yescharacteristic
69C22×C8×C31C2311yescharacteristic
70C22×C8×C31C2311yescharacteristic
71C31×C4⋊Q8—22no—
72C31×C4⋊Q8—41no—
73C31×C22⋊Q8—22no—
74C31×C22⋊Q8—22no—
75C31×C22⋊Q8—22no—
76C31×C22⋊Q8—41no—
77C4×Q8×C31—22no—
78C4×Q8×C31—41no—
79C2×C4⋊C4×C31—21no—
80C2×C4⋊C4×C31—22no—
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—41no—
87C2×C4⋊C4×C31C2311yescharacteristic
88C2×C4⋊C4×C31C2311yescharacteristic
89C2×C4⋊C4×C31C2311yescharacteristic
90C2×C4⋊C4×C31C2311yescharacteristic
91C2×C4⋊C4×C31C2311yescharacteristic
92C2×C4⋊C4×C31C2311yescharacteristic
93C2×C22⋊C4×C31—21no—
94C2×C22⋊C4×C31—21no—
95C2×C22⋊C4×C31—21no—
96C2×C22⋊C4×C31D411yescharacteristic
97C2×C22⋊C4×C31D411yescharacteristic
98C2×C42×C31—21no—
99C2×C42×C31—21no—
100C2×C42×C31—21no—
101C2×C42×C31C2311yescharacteristic
102C2×C42×C31C2311yescharacteristic
103C31×#107—22no—
104C31×C4⋊C8—41no—
105C31×#103—22no—
106C31×#103—22no—
107C31×#103—22no—
108C31×#103—22no—
109C31×#103—41no—
110C31×#103—41no—
111C31×C22⋊C8—41no—
112C31×C22⋊C8—41no—
113C4×C8×C31—41no—
114C31×#95—21no—
115C31×#95—21no—
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—21no—
138C2×Q8×C31—42no—
139C2×Q8×C31—42no—
140C2×Q8×C31—81no—
141C2×Q8×C31#4112yes—
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—21no—
154C22×C4×C31—21no—
155C22×C4×C31—21no—
156C22×C4×C31—42no—
157C22×C4×C31—42no—
158C22×C4×C31—81no—
159C22×C4×C31C2×D411yescharacteristic
160C22×C4×C31C2×D411yescharacteristic
161C22×C4×C31C2×D411yescharacteristic
162C22×C4×C31C2×D411yescharacteristic
163C22×C4×C31C2×D411yescharacteristic
164C22×C4×C31C2411yescharacteristic
165Q16×C31—44no—
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—
175C2×C8×C31—21no—
176C2×C8×C31—21no—
177C2×C8×C31—21no—
178C4⋊C4×C31—24no—
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—21no—
187C4⋊C4×C31—21no—
188C4⋊C4×C31—42no—
189C4⋊C4×C31—42no—
190C4⋊C4×C31—42no—
191C4⋊C4×C31—42no—
192C4⋊C4×C31—81no—
193C4⋊C4×C31#4112yes—
194C4⋊C4×C31#4112yes—
195C4⋊C4×C31#4112yes—
196C22⋊C4×C31—24no—
197C22⋊C4×C31—41no—
198C22⋊C4×C31—42no—
199C22⋊C4×C31—81no—
200C22⋊C4×C31Q1614yescomplemented
201C42×C31—21no—
202C42×C31—21no—
203C42×C31—21no—
204C42×C31—21no—
205C42×C31—42no—
206C42×C31—81no—
207C42×C31—81no—
208#26726C3111yesmaximal, characteristic, direct product factor, Sylow
209C23×C31—21no—
210C23×C31—21no—
211C23×C31—21no—
212C23×C31—21no—
213C23×C31—21no—
214C23×C31—21no—
215C23×C31C2×Q1612yes—
216C23×C31C22×D411yescharacteristic
217Q8×C31—22no—
218Q8×C31—22no—
219Q8×C31—41no—
220Q8×C31—41no—
221Q8×C31—41no—
222Q8×C31—41no—
223Q8×C31—41no—
224Q8×C31—41no—
225Q8×C31—84no—
226C2×C4×C31—21no—
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—22no—
236C2×C4×C31—22no—
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×C31C2×Q1612yes—
269C2×C4×C31C2×Q1612yes—
270C2×C4×C31C2×#4111yescharacteristic
271C2×C4×C31C2×#4111yescharacteristic
272C2×C4×C31C2×#4111yescharacteristic
273C2×C4×C31C2×#4111yescharacteristic
274C2×C4×C31H(5,𝔽2)11yescharacteristic
275C2×C4×C31H(5,𝔽2)11yescharacteristic
276C8×C31—41no—
277C8×C31—41no—
278C8×C31—41no—
279C8×C31—41no—
280#2492C2×C3111yescharacteristic
281#2360C2×C3111yescharacteristic
282#2056C2×C3111yescharacteristic, complemented
283#2036C2×C3111yescharacteristic
284#2024C2×C3111yescharacteristic, complemented
285#2001C2×C3111yescharacteristic
286#1987C2×C3111yescharacteristic, complemented
287#1933C2×C3111yescharacteristic, complemented
288#1928C2×C3111yescharacteristic, complemented
289#1923C2×C3111yescharacteristic
290#1921C2×C3111yescharacteristic, complemented
291#1878C2×C3111yescharacteristic, complemented
292#1872C2×C3111yescharacteristic
293#1824C2×C3111yescharacteristic
294C4×#103C2×C3111yescharacteristic, complemented
295C22×C31—22no—
296C22×C31—22no—
297C22×C31—22no—
298C22×C31—41no—
299C22×C31—41no—
300C22×C31—41no—
301C22×C31—41no—
302C22×C31#52511yescharacteristic
303C22×C31#54611yescharacteristic
304C22×C31#54611yescharacteristic
305C22×C31C22×Q1611yescharacteristic
306C22×C31#57511yescharacteristic
307C22×C31#57711yescharacteristic
308C22×C31#57711yescharacteristic
309C4×C31—22no—
310C4×C31—22no—
311C4×C31—42no—
312C4×C31—41no—
313C4×C31—42no—
314C4×C31—41no—
315C4×C31—42no—
316C4×C31—41no—
317C4×C31—42no—
318C4×C31—81no—
319C4×C31—81no—
320C4×C31—81no—
321C4×C31—81no—
322C4×C31#52911yescharacteristic
323C4×C31#53811yescharacteristic
324C4×C31#55511yescharacteristic
325C4×C31#55911yescharacteristic
326C22×Q16C22×C3111yescharacteristic
327C2×C4⋊Q8C22×C3111yescharacteristic
328C2×C22⋊Q8C22×C3111yescharacteristic
329C2×C22⋊Q8C22×C3111yescharacteristic
330C2×C4×Q8C22×C3111yescharacteristic
331C22×C4⋊C4C22×C3111yescharacteristic
332C2×#107C22×C3111yescharacteristic
333C2×C4⋊C8C22×C3111yescharacteristic
334C2×#103C22×C3111yescharacteristic
335C2×#103C22×C3111yescharacteristic
336C2×#103C22×C3111yescharacteristic
337C2×#103C22×C3111yescharacteristic
338C2×#103C22×C3111yescharacteristic
339C2×#103C22×C3111yescharacteristic
340C2×C22⋊C8C22×C3111yescharacteristic
341C2×C22⋊C8C22×C3111yescharacteristic
342C2×C4×C8C22×C3111yescharacteristic
343#400—21no—
344#393—21no—
345#391—21no—
346#391C22×C3111yescharacteristic
347#391C22×C3111yescharacteristic
348#391C22×C3111yescharacteristic
349#389—21no—
350#389C22×C3111yescharacteristic
351#388—21no—
352#387—21no—
353#385—21no—
354#380C22×C3111yescharacteristic
355C4×C4⋊C4C22×C3111yescharacteristic
356C4×C4⋊C4C22×C3111yescharacteristic
357C4×C22⋊C4—21no—
358C4×C22⋊C4C22×C3111yescharacteristic
359#340C22×C3111yescharacteristic
360#340C22×C3111yescharacteristic
361#340C22×C3111yescharacteristic
362#340C22×C3111yescharacteristic
363#340C22×C3111yescharacteristic
364#340C22×C3111yescharacteristic
365#340C22×C3111yescharacteristic
366#340C22×C3111yescharacteristic
367#336C22×C3111yescharacteristic
368#336C22×C3111yescharacteristic
369C2×C31—42no—
370C2×C31#245911yescharacteristic
371C2×C31#310411yescharacteristic
372C2×C31#312511yescharacteristic
373C2×C31#329911yescharacteristic
374C2×C31#329911yescharacteristic
375C2×C31#331111yescharacteristic
376C2×C31#332311yescharacteristic
377C22×Q8—21no—
378C22×Q8C23×C3111yescharacteristic
379C22×Q8C23×C3111yescharacteristic
380C23×C4—21no—
381C23×C4C23×C3111yescharacteristic
382C2×Q16—22no—
383C2×Q16—41no—
384C2×Q16—41no—
385C22×C8C23×C3111yescharacteristic
386C22×C8C23×C3111yescharacteristic
387C22×C8C23×C3111yescharacteristic
388C22×C8C23×C3111yescharacteristic
389C4⋊Q8—22no—
390C4⋊Q8—41no—
391C22⋊Q8—22no—
392C22⋊Q8—22no—
393C22⋊Q8—22no—
394C22⋊Q8—41no—
395C4×Q8—22no—
396C4×Q8—41no—
397C2×C4⋊C4—21no—
398C2×C4⋊C4—22no—
399C2×C4⋊C4—21no—
400C2×C4⋊C4—21no—
401C2×C4⋊C4—21no—
402C2×C4⋊C4—21no—
403C2×C4⋊C4—21no—
404C2×C4⋊C4—41no—
405C2×C4⋊C4C23×C3111yescharacteristic
406C2×C4⋊C4C23×C3111yescharacteristic
407C2×C4⋊C4C23×C3111yescharacteristic
408C2×C4⋊C4C23×C3111yescharacteristic
409C2×C4⋊C4C23×C3111yescharacteristic
410C2×C4⋊C4C23×C3111yescharacteristic
411C2×C22⋊C4—21no—
412C2×C22⋊C4—21no—
413C2×C22⋊C4—21no—
414C2×C22⋊C4D4×C3111yescharacteristic
415C2×C22⋊C4D4×C3111yescharacteristic
416C2×C42—21no—
417C2×C42—21no—
418C2×C42—21no—
419C2×C42C23×C3111yescharacteristic
420C2×C42C23×C3111yescharacteristic
421#107—22no—
422C4⋊C8—41no—
423#103—22no—
424#103—22no—
425#103—22no—
426#103—22no—
427#103—41no—
428#103—41no—
429C22⋊C8—41no—
430C22⋊C8—41no—
431C4×C8—41no—
432#95—21no—
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#95—21no—
442#95D4×C3111yescharacteristic
443#95D4×C3111yescharacteristic
444C31#2672611yescharacteristic, direct product factor, Sylow
445C24C2×D4×C3111yescharacteristic
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—21no—
456C2×Q8—21no—
457C2×Q8—42no—
458C2×Q8—42no—
459C2×Q8—81no—
460C2×Q8#41×C3112yes—
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—21no—
472C22×C4—21no—
473C22×C4—21no—
474C22×C4—21no—
475C22×C4—42no—
476C22×C4—42no—
477C22×C4—81no—
478C22×C4C2×D4×C3111yescharacteristic
479C22×C4C2×D4×C3111yescharacteristic
480C22×C4C2×D4×C3111yescharacteristic
481C22×C4C2×D4×C3111yescharacteristic
482C22×C4C2×D4×C3111yescharacteristic
483C22×C4C24×C3111yescharacteristic
484Q16—44no—
485C2×C8—21no—
486C2×C8—21no—
487C2×C8—21no—
488C2×C8—21no—
489C2×C8—21no—
490C2×C8—21no—
491C2×C8—21no—
492C2×C8—21no—
493C2×C8—21no—
494C2×C8—21no—
495C2×C8—21no—
496C2×C8—21no—
497C4⋊C4—24no—
498C4⋊C4—21no—
499C4⋊C4—21no—
500C4⋊C4—21no—
501C4⋊C4—21no—
502C4⋊C4—21no—
503C4⋊C4—21no—
504C4⋊C4—21no—
505C4⋊C4—21no—
506C4⋊C4—21no—
507C4⋊C4—42no—
508C4⋊C4—42no—
509C4⋊C4—42no—
510C4⋊C4—42no—
511C4⋊C4—81no—
512C4⋊C4#41×C3112yes—
513C4⋊C4#41×C3112yes—
514C4⋊C4#41×C3112yes—
515C22⋊C4—24no—
516C22⋊C4—41no—
517C22⋊C4—42no—
518C22⋊C4—81no—
519C22⋊C4Q16×C3114yescomplemented
520C42—21no—
521C42—21no—
522C42—21no—
523C42—21no—
524C42—42no—
525C42—81no—
526C42—81no—
527C23—21no—
528C23—21no—
529C23—21no—
530C23—21no—
531C23—21no—
532C23—21no—
533C23C2×Q16×C3112yes—
534C23C22×D4×C3111yescharacteristic
535Q8—22no—
536Q8—22no—
537Q8—41no—
538Q8—41no—
539Q8—41no—
540Q8—41no—
541Q8—41no—
542Q8—41no—
543Q8—84no—
544C2×C4—21no—
545C2×C4—21no—
546C2×C4—21no—
547C2×C4—21no—
548C2×C4—22no—
549C2×C4—22no—
550C2×C4—21no—
551C2×C4—21no—
552C2×C4—21no—
553C2×C4—22no—
554C2×C4—22no—
555C2×C4—21no—
556C2×C4—21no—
557C2×C4—21no—
558C2×C4—21no—
559C2×C4—21no—
560C2×C4—21no—
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—41no—
585C2×C4—84no—
586C2×C4C2×Q16×C3112yes—
587C2×C4C2×Q16×C3112yes—
588C2×C4C2×#41×C3111yescharacteristic
589C2×C4C2×#41×C3111yescharacteristic
590C2×C4C2×#41×C3111yescharacteristic
591C2×C4C2×#41×C3111yescharacteristic
592C2×C4C31×H(5,𝔽2)11yescharacteristic
593C2×C4C31×H(5,𝔽2)11yescharacteristic
594C8—41no—
595C8—41no—
596C8—41no—
597C8—41no—
598C22—22no—
599C22—22no—
600C22—22no—
601C22—41no—
602C22—41no—
603C22—41no—
604C22—41no—
605C22C31×#52511yescharacteristic
606C22C31×#54611yescharacteristic
607C22C31×#54611yescharacteristic
608C22C22×Q16×C3111yescharacteristic
609C22C31×#57511yescharacteristic
610C22C31×#57711yescharacteristic
611C22C31×#57711yescharacteristic
612C4—22no—
613C4—22no—
614C4—42no—
615C4—41no—
616C4—42no—
617C4—41no—
618C4—42no—
619C4—41no—
620C4—42no—
621C4—81no—
622C4—81no—
623C4—81no—
624C4—81no—
625C4C31×#52911yescharacteristic
626C4C31×#53811yescharacteristic
627C4C31×#55511yescharacteristic
628C4C31×#55911yescharacteristic
629C2—42no—
630C2C31×#245911yescharacteristic
631C2C31×#310411yescharacteristic
632C2C31×#312511yescharacteristic
633C2C31×#329911yescharacteristic
634C2C31×#329911yescharacteristic
635C2C31×#331111yescharacteristic
636C2C31×#332311yescharacteristic
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×#2056C2semidirect
5. C31×#2024C2semidirect
7. C31×#1987C2semidirect
8. C31×#1933C2semidirect
9. C31×#1928C2semidirect
11. C31×#1921C2semidirect
12. C31×#1878C2semidirect
15. C4×C31×#103C2semidirect
200. C22⋊C4×C31Q16semidirect
208. #26726C31direct (N × H)
282. #2056C2×C31semidirect
284. #2024C2×C31semidirect
286. #1987C2×C31semidirect
287. #1933C2×C31semidirect
288. #1928C2×C31semidirect
290. #1921C2×C31semidirect
291. #1878C2×C31semidirect
294. C4×#103C2×C31semidirect
444. C31#26726direct (N × H)
519. C22⋊C4Q16×C31semidirect

Maximal subgroups

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

subgroupindex
C31×#24922
C31×#23602
C31×#20562
C31×#20362
C31×#20242
C31×#20012
C31×#19872
C31×#19332
C31×#19282
C31×#19232
C31×#19212
C31×#18782
C31×#18722
C31×#18242
C4×C31×#1032
#2672631