Subgroups — C₃₁×#33870 #21490629

Order 7936.

558 conjugacy classes of subgroups.

The subgroup lattice has 366 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₃₁×#3341	C₂	1	1	yes	maximal, characteristic, complemented
2	C₃₁×#3283	C₂	1	1	yes	maximal, characteristic, complemented
3	C₃₁×#2241	C₂	1	1	yes	maximal, characteristic, complemented
4	C₃₁×#2237	C₂	1	2	yes	maximal, complemented
5	C₃₁×#2226	C₂	1	1	yes	maximal, characteristic, complemented
6	C₃₁×#2217	C₂	1	2	yes	maximal, complemented
7	C₃₁×#2208	C₂	1	1	yes	maximal, characteristic, complemented
8	C₃₁×#2186	C₂	1	2	yes	maximal, complemented
9	C₄×C₃₁×D₁₆	C₂	1	1	yes	maximal, characteristic, complemented
10	D₄×C₁₆×C₃₁	C₂	1	1	yes	maximal, characteristic, complemented
11	C₃₁×#2138	C₂	1	2	yes	maximal, complemented
12	C₂×C₃₁×#135	C₂²	1	2	yes	—
13	C₃₁×#555	—	2	1	no	—
14	C₃₁×#547	—	2	1	no	—
15	C₂×C₃₁×SD₃₂	C₂²	1	2	yes	—
16	C₂×C₃₁×D₁₆	C₂²	1	1	yes	characteristic
17	C₂²×C₁₆×C₃₁	C₂²	1	2	yes	—
18	C₃₁×#500	C₂²	1	1	yes	characteristic
19	C₃₁×#494	C₂²	1	1	yes	characteristic
20	C₃₁×#482	—	2	2	no	—
21	C₃₁×#476	—	2	1	no	—
22	C₃₁×#467	C₂²	1	2	yes	—
23	C₃₁×#466	C₂²	1	2	yes	—
24	C₃₁×#461	—	2	1	no	—
25	C₃₁×#452	—	2	2	no	—
26	C₄×D₈×C₃₁	C₂²	1	1	yes	characteristic
27	C₄×D₈×C₃₁	C₂²	1	1	yes	characteristic
28	C₈×D₄×C₃₁	C₂²	1	1	yes	characteristic
29	C₃₁×#427	C₂²	1	2	yes	—
30	C₃₁×#367	C₂²	1	2	yes	—
31	C₃₁×#366	C₂²	1	1	yes	characteristic
32	C₃₁×C₄⋊C₁₆	C₂²	1	1	yes	characteristic
33	C₃₁×#358	C₂²	1	2	yes	—
34	C₃₁×#358	C₂²	1	2	yes	—
35	C₃₁×#358	C₂²	1	2	yes	—
36	C₃₁×#357	C₂²	1	1	yes	characteristic
37	C₃₁×#357	C₂²	1	2	yes	—
38	C₃₁×#357	C₂²	1	1	yes	characteristic
39	C₃₁×C₂²⋊C₁₆	C₂²	1	2	yes	—
40	C₄×C₁₆×C₃₁	C₂²	1	1	yes	characteristic
41	C₂×#41×C₃₁	—	2	2	no	—
42	C₃₁×#135	—	2	4	no	—
43	C₃₁×#135	—	4	2	no	—
44	C₂×Q₁₆×C₃₁	—	2	1	no	—
45	C₂×Q₁₆×C₃₁	C₂³	1	2	yes	—
46	C₂×SD₁₆×C₃₁	—	2	2	no	—
47	C₂×D₈×C₃₁	C₂³	1	1	yes	characteristic
48	C₂×D₈×C₃₁	C₂³	1	1	yes	characteristic
49	C₂²×C₈×C₃₁	C₂³	1	2	yes	—
50	C₃₁×C₄⋊Q₈	—	2	1	no	—
51	C₃₁×C₄⋊Q₈	—	2	1	no	—
52	C₃₁×#124	—	4	2	no	—
53	C₃₁×#123	—	4	2	no	—
54	C₃₁×C₂²⋊Q₈	—	2	2	no	—
55	C₃₁×#121	—	2	2	no	—
56	C₃₁×#121	—	4	1	no	—
57	C₃₁×#121	—	4	1	no	—
58	C₄×D₄×C₃₁	—	2	1	no	—
59	C₄×D₄×C₃₁	—	2	1	no	—
60	C₄×D₄×C₃₁	D₄	1	1	yes	characteristic
61	C₃₁×#117	—	2	2	no	—
62	C₃₁×#117	—	4	1	no	—
63	C₂×C₄⋊C₄×C₃₁	—	4	1	no	—
64	C₃₁×SD₃₂	—	4	2	no	—
65	C₃₁×D₁₆	—	2	2	no	—
66	C₂×C₁₆×C₃₁	—	4	2	no	—
67	C₂×C₁₆×C₃₁	C₂³	1	1	yes	characteristic
68	C₂×C₁₆×C₃₁	C₂³	1	2	yes	—
69	C₂×C₁₆×C₃₁	C₂³	1	1	yes	characteristic
70	C₃₁×#107	—	2	1	no	—
71	C₃₁×#107	C₂³	1	1	yes	characteristic
72	C₃₁×#107	C₂³	1	2	yes	—
73	C₃₁×#107	C₂³	1	1	yes	characteristic
74	C₃₁×#106	—	2	2	no	—
75	C₃₁×C₄⋊C₈	D₄	1	1	yes	characteristic
76	C₃₁×#103	—	2	2	no	—
77	C₃₁×#102	—	2	1	no	—
78	C₃₁×#102	—	2	1	no	—
79	C₃₁×#102	—	2	2	no	—
80	C₃₁×C₂²⋊C₈	D₄	1	2	yes	—
81	C₄×C₈×C₃₁	C₂³	1	1	yes	characteristic
82	#41×C₃₁	—	4	4	no	—
83	#41×C₃₁	—	8	2	no	—
84	C₂×Q₈×C₃₁	—	2	2	no	—
85	C₂×Q₈×C₃₁	—	4	1	no	—
86	C₂×D₄×C₃₁	—	2	1	no	—
87	C₂×D₄×C₃₁	—	2	1	no	—
88	C₂×D₄×C₃₁	—	4	2	no	—
89	C₂×D₄×C₃₁	—	4	2	no	—
90	C₂×D₄×C₃₁	D₈	1	1	yes	characteristic
91	C₂²×C₄×C₃₁	—	4	1	no	—
92	C₂²×C₄×C₃₁	—	4	2	no	—
93	C₂²×C₄×C₃₁	—	4	1	no	—
94	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
95	Q₁₆×C₃₁	—	2	2	no	—
96	Q₁₆×C₃₁	—	2	2	no	—
97	Q₁₆×C₃₁	—	8	1	no	—
98	SD₁₆×C₃₁	—	4	4	no	—
99	D₈×C₃₁	—	2	1	no	—
100	D₈×C₃₁	—	2	1	no	—
101	D₈×C₃₁	—	2	1	no	—
102	D₈×C₃₁	#41	1	2	yes	—
103	C₂×C₈×C₃₁	—	2	2	no	—
104	C₂×C₈×C₃₁	—	2	2	no	—
105	C₂×C₈×C₃₁	C₂×D₄	1	1	yes	characteristic
106	C₂×C₈×C₃₁	C₂×D₄	1	2	yes	—
107	C₂×C₈×C₃₁	C₂⁴	1	1	yes	characteristic
108	C₄⋊C₄×C₃₁	—	2	1	no	—
109	C₄⋊C₄×C₃₁	—	2	1	no	—
110	C₄⋊C₄×C₃₁	—	2	2	no	—
111	C₄⋊C₄×C₃₁	—	4	1	no	—
112	C₄⋊C₄×C₃₁	—	4	2	no	—
113	C₄⋊C₄×C₃₁	—	4	1	no	—
114	C₄⋊C₄×C₃₁	—	4	1	no	—
115	C₄⋊C₄×C₃₁	D₈	1	1	yes	characteristic
116	C₂²⋊C₄×C₃₁	—	4	2	no	—
117	C₂²⋊C₄×C₃₁	—	4	2	no	—
118	C₂²⋊C₄×C₃₁	—	4	2	no	—
119	C₂²⋊C₄×C₃₁	—	4	1	no	—
120	C₂²⋊C₄×C₃₁	—	4	1	no	—
121	C₂²⋊C₄×C₃₁	D₈	1	2	yes	—
122	C₄²×C₃₁	—	4	2	no	—
123	C₄²×C₃₁	C₂×D₄	1	1	yes	characteristic
124	C₁₆×C₃₁	—	2	1	no	—
125	C₁₆×C₃₁	—	2	1	no	—
126	C₁₆×C₃₁	—	2	2	no	—
127	#33870	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
128	C₂³×C₃₁	—	4	1	no	—
129	C₂³×C₃₁	—	4	1	no	—
130	C₂³×C₃₁	C₂×D₈	1	2	yes	—
131	Q₈×C₃₁	—	4	2	no	—
132	Q₈×C₃₁	—	4	2	no	—
133	Q₈×C₃₁	—	16	1	no	—
134	D₄×C₃₁	—	2	2	no	—
135	D₄×C₃₁	—	2	2	no	—
136	D₄×C₃₁	—	4	1	no	—
137	D₄×C₃₁	—	4	1	no	—
138	D₄×C₃₁	—	4	1	no	—
139	D₄×C₃₁	—	8	4	no	—
140	D₄×C₃₁	—	16	2	no	—
141	C₂×C₄×C₃₁	—	2	2	no	—
142	C₂×C₄×C₃₁	—	2	2	no	—
143	C₂×C₄×C₃₁	—	4	1	no	—
144	C₂×C₄×C₃₁	—	4	2	no	—
145	C₂×C₄×C₃₁	—	4	1	no	—
146	C₂×C₄×C₃₁	—	4	2	no	—
147	C₂×C₄×C₃₁	—	8	4	no	—
148	C₂×C₄×C₃₁	—	8	2	no	—
149	C₂×C₄×C₃₁	—	8	2	no	—
150	C₂×C₄×C₃₁	C₂×D₈	1	2	yes	—
151	C₂×C₄×C₃₁	C₂×D₈	1	1	yes	characteristic
152	C₂×C₄×C₃₁	C₂×D₈	1	1	yes	characteristic
153	C₂×C₄×C₃₁	C₂²×D₄	1	1	yes	characteristic
154	C₈×C₃₁	—	2	2	no	—
155	C₈×C₃₁	—	2	1	no	—
156	C₈×C₃₁	C₂×#41	1	1	yes	characteristic
157	C₈×C₃₁	H(5,𝔽₂)	1	1	yes	characteristic
158	#3341	C₂×C₃₁	1	1	yes	characteristic, complemented
159	#3283	C₂×C₃₁	1	1	yes	characteristic, complemented
160	#2241	C₂×C₃₁	1	1	yes	characteristic, complemented
161	#2237	C₂×C₃₁	1	2	yes	complemented
162	#2226	C₂×C₃₁	1	1	yes	characteristic, complemented
163	#2217	C₂×C₃₁	1	2	yes	complemented
164	#2208	C₂×C₃₁	1	1	yes	characteristic, complemented
165	#2186	C₂×C₃₁	1	2	yes	complemented
166	C₄×D₁₆	C₂×C₃₁	1	1	yes	characteristic, complemented
167	D₄×C₁₆	C₂×C₃₁	1	1	yes	characteristic, complemented
168	#2138	C₂×C₃₁	1	2	yes	complemented
169	C₂²×C₃₁	—	2	2	no	—
170	C₂²×C₃₁	—	2	2	no	—
171	C₂²×C₃₁	—	2	2	no	—
172	C₂²×C₃₁	—	4	2	no	—
173	C₂²×C₃₁	—	8	1	no	—
174	C₂²×C₃₁	—	8	1	no	—
175	C₂²×C₃₁	—	8	1	no	—
176	C₂²×C₃₁	—	8	1	no	—
177	C₂²×C₃₁	—	8	1	no	—
178	C₂²×C₃₁	C₂²×D₈	1	1	yes	characteristic
179	C₄×C₃₁	—	2	1	no	—
180	C₄×C₃₁	—	2	2	no	—
181	C₄×C₃₁	—	8	1	no	—
182	C₄×C₃₁	—	8	1	no	—
183	C₄×C₃₁	—	8	2	no	—
184	C₄×C₃₁	—	8	2	no	—
185	C₄×C₃₁	#508	1	2	yes	—
186	C₄×C₃₁	#546	1	1	yes	characteristic
187	C₄×C₃₁	#577	1	1	yes	characteristic
188	C₂×#135	C₂²×C₃₁	1	2	yes	—
189	#555	—	2	1	no	—
190	#547	—	2	1	no	—
191	C₂×SD₃₂	C₂²×C₃₁	1	2	yes	—
192	C₂×D₁₆	C₂²×C₃₁	1	1	yes	characteristic
193	C₂²×C₁₆	C₂²×C₃₁	1	2	yes	—
194	#500	C₂²×C₃₁	1	1	yes	characteristic
195	#494	C₂²×C₃₁	1	1	yes	characteristic
196	#482	—	2	2	no	—
197	#476	—	2	1	no	—
198	#467	C₂²×C₃₁	1	2	yes	—
199	#466	C₂²×C₃₁	1	2	yes	—
200	#461	—	2	1	no	—
201	#452	—	2	2	no	—
202	C₄×D₈	C₂²×C₃₁	1	1	yes	characteristic
203	C₄×D₈	C₂²×C₃₁	1	1	yes	characteristic
204	C₈×D₄	C₂²×C₃₁	1	1	yes	characteristic
205	#427	C₂²×C₃₁	1	2	yes	—
206	#367	C₂²×C₃₁	1	2	yes	—
207	#366	C₂²×C₃₁	1	1	yes	characteristic
208	C₄⋊C₁₆	C₂²×C₃₁	1	1	yes	characteristic
209	#358	C₂²×C₃₁	1	2	yes	—
210	#358	C₂²×C₃₁	1	2	yes	—
211	#358	C₂²×C₃₁	1	2	yes	—
212	#357	C₂²×C₃₁	1	1	yes	characteristic
213	#357	C₂²×C₃₁	1	2	yes	—
214	#357	C₂²×C₃₁	1	1	yes	characteristic
215	C₂²⋊C₁₆	C₂²×C₃₁	1	2	yes	—
216	C₄×C₁₆	C₂²×C₃₁	1	1	yes	characteristic
217	C₂×C₃₁	—	4	2	no	—
218	C₂×C₃₁	—	8	2	no	—
219	C₂×C₃₁	—	16	1	no	—
220	C₂×C₃₁	#3294	1	1	yes	characteristic
221	C₂×C₃₁	C₂×#508	1	1	yes	characteristic
222	C₂×C₃₁	#3416	1	1	yes	characteristic
223	C₂×#41	—	2	2	no	—
224	#135	—	2	4	no	—
225	#135	—	4	2	no	—
226	C₂×Q₁₆	—	2	1	no	—
227	C₂×Q₁₆	C₂³×C₃₁	1	2	yes	—
228	C₂×SD₁₆	—	2	2	no	—
229	C₂×D₈	C₂³×C₃₁	1	1	yes	characteristic
230	C₂×D₈	C₂³×C₃₁	1	1	yes	characteristic
231	C₂²×C₈	C₂³×C₃₁	1	2	yes	—
232	C₄⋊Q₈	—	2	1	no	—
233	C₄⋊Q₈	—	2	1	no	—
234	#124	—	4	2	no	—
235	#123	—	4	2	no	—
236	C₂²⋊Q₈	—	2	2	no	—
237	#121	—	2	2	no	—
238	#121	—	4	1	no	—
239	#121	—	4	1	no	—
240	C₄×D₄	—	2	1	no	—
241	C₄×D₄	—	2	1	no	—
242	C₄×D₄	D₄×C₃₁	1	1	yes	characteristic
243	#117	—	2	2	no	—
244	#117	—	4	1	no	—
245	C₂×C₄⋊C₄	—	4	1	no	—
246	SD₃₂	—	4	2	no	—
247	D₁₆	—	2	2	no	—
248	C₂×C₁₆	—	4	2	no	—
249	C₂×C₁₆	C₂³×C₃₁	1	1	yes	characteristic
250	C₂×C₁₆	C₂³×C₃₁	1	1	yes	characteristic
251	C₂×C₁₆	C₂³×C₃₁	1	2	yes	—
252	#107	—	2	1	no	—
253	#107	C₂³×C₃₁	1	1	yes	characteristic
254	#107	C₂³×C₃₁	1	2	yes	—
255	#107	C₂³×C₃₁	1	1	yes	characteristic
256	#106	—	2	2	no	—
257	C₄⋊C₈	D₄×C₃₁	1	1	yes	characteristic
258	#103	—	2	2	no	—
259	#102	—	2	1	no	—
260	#102	—	2	1	no	—
261	#102	—	2	2	no	—
262	C₂²⋊C₈	D₄×C₃₁	1	2	yes	—
263	C₄×C₈	C₂³×C₃₁	1	1	yes	characteristic
264	C₃₁	#33870	1	1	yes	characteristic, direct product factor, Sylow
265	#41	—	4	4	no	—
266	#41	—	8	2	no	—
267	C₂×Q₈	—	2	2	no	—
268	C₂×Q₈	—	4	1	no	—
269	C₂×D₄	—	2	1	no	—
270	C₂×D₄	—	2	1	no	—
271	C₂×D₄	—	4	2	no	—
272	C₂×D₄	—	4	2	no	—
273	C₂×D₄	D₈×C₃₁	1	1	yes	characteristic
274	C₂²×C₄	—	4	1	no	—
275	C₂²×C₄	—	4	2	no	—
276	C₂²×C₄	—	4	1	no	—
277	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
278	Q₁₆	—	2	2	no	—
279	Q₁₆	—	2	2	no	—
280	Q₁₆	—	8	1	no	—
281	SD₁₆	—	4	4	no	—
282	D₈	—	2	1	no	—
283	D₈	—	2	1	no	—
284	D₈	—	2	1	no	—
285	D₈	#41×C₃₁	1	2	yes	—
286	C₂×C₈	—	2	2	no	—
287	C₂×C₈	—	2	2	no	—
288	C₂×C₈	C₂×D₄×C₃₁	1	1	yes	characteristic
289	C₂×C₈	C₂×D₄×C₃₁	1	2	yes	—
290	C₂×C₈	C₂⁴×C₃₁	1	1	yes	characteristic
291	C₄⋊C₄	—	2	1	no	—
292	C₄⋊C₄	—	2	1	no	—
293	C₄⋊C₄	—	2	2	no	—
294	C₄⋊C₄	—	4	1	no	—
295	C₄⋊C₄	—	4	2	no	—
296	C₄⋊C₄	—	4	1	no	—
297	C₄⋊C₄	—	4	1	no	—
298	C₄⋊C₄	D₈×C₃₁	1	1	yes	characteristic
299	C₂²⋊C₄	—	4	2	no	—
300	C₂²⋊C₄	—	4	2	no	—
301	C₂²⋊C₄	—	4	2	no	—
302	C₂²⋊C₄	—	4	1	no	—
303	C₂²⋊C₄	—	4	1	no	—
304	C₂²⋊C₄	D₈×C₃₁	1	2	yes	—
305	C₄²	—	4	2	no	—
306	C₄²	C₂×D₄×C₃₁	1	1	yes	characteristic
307	C₁₆	—	2	1	no	—
308	C₁₆	—	2	1	no	—
309	C₁₆	—	2	2	no	—
310	C₂³	—	4	1	no	—
311	C₂³	—	4	1	no	—
312	C₂³	C₂×D₈×C₃₁	1	2	yes	—
313	Q₈	—	4	2	no	—
314	Q₈	—	4	2	no	—
315	Q₈	—	16	1	no	—
316	D₄	—	2	2	no	—
317	D₄	—	2	2	no	—
318	D₄	—	4	1	no	—
319	D₄	—	4	1	no	—
320	D₄	—	4	1	no	—
321	D₄	—	8	4	no	—
322	D₄	—	16	2	no	—
323	C₂×C₄	—	2	2	no	—
324	C₂×C₄	—	2	2	no	—
325	C₂×C₄	—	4	1	no	—
326	C₂×C₄	—	4	2	no	—
327	C₂×C₄	—	4	1	no	—
328	C₂×C₄	—	4	2	no	—
329	C₂×C₄	—	8	4	no	—
330	C₂×C₄	—	8	2	no	—
331	C₂×C₄	—	8	2	no	—
332	C₂×C₄	C₂×D₈×C₃₁	1	2	yes	—
333	C₂×C₄	C₂×D₈×C₃₁	1	1	yes	characteristic
334	C₂×C₄	C₂×D₈×C₃₁	1	1	yes	characteristic
335	C₂×C₄	C₂²×D₄×C₃₁	1	1	yes	characteristic
336	C₈	—	2	2	no	—
337	C₈	—	2	1	no	—
338	C₈	C₂×#41×C₃₁	1	1	yes	characteristic
339	C₈	C₃₁×H(5,𝔽₂)	1	1	yes	characteristic
340	C₂²	—	2	2	no	—
341	C₂²	—	2	2	no	—
342	C₂²	—	2	2	no	—
343	C₂²	—	4	2	no	—
344	C₂²	—	8	1	no	—
345	C₂²	—	8	1	no	—
346	C₂²	—	8	1	no	—
347	C₂²	—	8	1	no	—
348	C₂²	—	8	1	no	—
349	C₂²	C₂²×D₈×C₃₁	1	1	yes	characteristic
350	C₄	—	2	1	no	—
351	C₄	—	2	2	no	—
352	C₄	—	8	1	no	—
353	C₄	—	8	1	no	—
354	C₄	—	8	2	no	—
355	C₄	—	8	2	no	—
356	C₄	C₃₁×#508	1	2	yes	—
357	C₄	C₃₁×#546	1	1	yes	characteristic
358	C₄	C₃₁×#577	1	1	yes	characteristic
359	C₂	—	4	2	no	—
360	C₂	—	8	2	no	—
361	C₂	—	16	1	no	—
362	C₂	C₃₁×#3294	1	1	yes	characteristic
363	C₂	C₂×C₃₁×#508	1	1	yes	characteristic
364	C₂	C₃₁×#3416	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²×C₃₁	C₂²×D₈
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₃₁
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₃₁ ◁ C₄×D₄×C₃₁ ◁ C₈×D₄×C₃₁ ◁ G

Complements

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

N	H ≅ G/N	type
1. C₃₁×#3341	C₂	semidirect
2. C₃₁×#3283	C₂	semidirect
3. C₃₁×#2241	C₂	semidirect
4. C₃₁×#2237	C₂	semidirect
5. C₃₁×#2226	C₂	semidirect
6. C₃₁×#2217	C₂	semidirect
7. C₃₁×#2208	C₂	semidirect
8. C₃₁×#2186	C₂	semidirect
9. C₄×C₃₁×D₁₆	C₂	semidirect
10. D₄×C₁₆×C₃₁	C₂	semidirect
11. C₃₁×#2138	C₂	semidirect
127. #33870	C₃₁	direct (N × H)
158. #3341	C₂×C₃₁	semidirect
159. #3283	C₂×C₃₁	semidirect
160. #2241	C₂×C₃₁	semidirect
161. #2237	C₂×C₃₁	semidirect
162. #2226	C₂×C₃₁	semidirect
163. #2217	C₂×C₃₁	semidirect
164. #2208	C₂×C₃₁	semidirect
165. #2186	C₂×C₃₁	semidirect
166. C₄×D₁₆	C₂×C₃₁	semidirect
167. D₄×C₁₆	C₂×C₃₁	semidirect
168. #2138	C₂×C₃₁	semidirect
264. C₃₁	#33870	direct (N × H)

Maximal subgroups

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

subgroup	index
C₃₁×#3341	2
C₃₁×#3283	2
C₃₁×#2241	2
C₃₁×#2237	2
C₃₁×#2226	2
C₃₁×#2217	2
C₃₁×#2208	2
C₃₁×#2186	2
C₄×C₃₁×D₁₆	2
D₄×C₁₆×C₃₁	2
C₃₁×#2138	2
#33870	31

Subgroups — C31×#33870 #21490629

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#33870 #21490629