Subgroups — C₃₁×#20820 #21477579

Order 7936.

810 conjugacy classes of subgroups.

The subgroup lattice has 316 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₃₁×#405	C₂	1	1	yes	maximal, characteristic
2	C₃₁×#2314	C₂	1	2	yes	maximal
3	C₃₁×#1846	C₂	1	1	yes	maximal, characteristic, complemented
4	C₃₁×#1844	C₂	1	1	yes	maximal, characteristic, complemented
5	C₃₁×#1836	C₂	1	2	yes	maximal, complemented
6	C₃₁×#1809	C₂	1	2	yes	maximal
7	C₃₁×#1807	C₂	1	2	yes	maximal
8	C₃₁×#1776	C₂	1	2	yes	maximal, complemented
9	C₄×C₃₁×#106	C₂	1	2	yes	maximal, complemented
10	C₂²×M₁₆×C₃₁	C₂²	1	1	yes	characteristic
11	C₂³×C₈×C₃₁	C₂²	1	1	yes	characteristic
12	C₂×C₃₁×#117	C₂²	1	1	yes	characteristic
13	C₂×C₃₁×#107	C₂²	1	2	yes	—
14	C₂×C₃₁×#106	C₂²	1	2	yes	—
15	C₂×C₃₁×#106	C₂²	1	2	yes	—
16	C₂×C₃₁×#106	C₂²	1	2	yes	—
17	C₃₁×#405	C₄	1	8	yes	complemented
18	C₂×C₃₁×#97	C₂²	1	1	yes	characteristic
19	C₂×C₃₁×#97	C₂²	1	1	yes	characteristic
20	C₂×C₄×C₈×C₃₁	C₂²	1	1	yes	characteristic
21	C₂×C₄×C₈×C₃₁	C₂²	1	1	yes	characteristic
22	C₃₁×#388	—	2	4	no	—
23	C₃₁×#387	—	2	4	no	—
24	C₃₁×#384	C₂²	1	2	yes	—
25	C₃₁×#382	C₂²	1	2	yes	—
26	C₃₁×#380	C₂²	1	4	yes	—
27	C₄×C₄⋊C₄×C₃₁	C₂²	1	4	yes	—
28	C₃₁×#340	C₂²	1	4	yes	—
29	C₃₁×#340	C₂²	1	4	yes	—
30	C₂³×C₄×C₃₁	C₂³	1	1	yes	characteristic
31	C₂×M₁₆×C₃₁	—	2	2	no	—
32	C₂×M₁₆×C₃₁	—	2	2	no	—
33	C₂×M₁₆×C₃₁	C₂×C₄	1	4	yes	—
34	C₂²×C₈×C₃₁	—	2	2	no	—
35	C₂²×C₈×C₃₁	—	2	2	no	—
36	C₂²×C₈×C₃₁	C₂×C₄	1	4	yes	—
37	C₂²×C₈×C₃₁	C₂³	1	1	yes	characteristic
38	C₂²×C₈×C₃₁	C₂³	1	1	yes	characteristic
39	C₂²×C₈×C₃₁	C₂³	1	1	yes	characteristic
40	C₂²×C₈×C₃₁	C₂³	1	1	yes	characteristic
41	C₃₁×#117	C₂×C₄	1	4	yes	—
42	C₃₁×#117	Q₈	1	4	yes	—
43	C₂×C₄⋊C₄×C₃₁	—	2	4	no	—
44	C₂×C₄⋊C₄×C₃₁	D₄	1	2	yes	—
45	C₂×C₄⋊C₄×C₃₁	C₂³	1	4	yes	—
46	C₂×C₄⋊C₄×C₃₁	C₂³	1	4	yes	—
47	C₂×C₂²⋊C₄×C₃₁	—	2	4	no	—
48	C₂×C₂²⋊C₄×C₃₁	D₄	1	2	yes	—
49	C₂×C₄²×C₃₁	—	2	4	no	—
50	C₂×C₄²×C₃₁	C₂³	1	1	yes	characteristic
51	C₂×C₄²×C₃₁	C₂³	1	1	yes	characteristic
52	C₃₁×#107	—	2	4	no	—
53	C₃₁×#106	—	2	4	no	—
54	C₃₁×#106	—	2	4	no	—
55	C₃₁×#106	—	2	4	no	—
56	C₃₁×#97	C₂×C₄	1	4	yes	—
57	C₃₁×#97	C₂×C₄	1	4	yes	—
58	C₄×C₈×C₃₁	C₂×C₄	1	4	yes	—
59	C₄×C₈×C₃₁	C₂×C₄	1	4	yes	—
60	C₃₁×#95	—	2	4	no	—
61	C₃₁×#95	—	2	4	no	—
62	C₃₁×#95	—	2	4	no	—
63	C₂⁴×C₃₁	C₂×D₄	1	1	yes	characteristic
64	C₂²×C₄×C₃₁	—	2	1	no	—
65	C₂²×C₄×C₃₁	—	2	1	no	—
66	C₂²×C₄×C₃₁	—	2	1	no	—
67	C₂²×C₄×C₃₁	—	2	1	no	—
68	C₂²×C₄×C₃₁	—	2	4	no	—
69	C₂²×C₄×C₃₁	—	2	4	no	—
70	C₂²×C₄×C₃₁	C₂²×C₄	1	2	yes	—
71	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
72	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
73	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
74	C₂²×C₄×C₃₁	C₂×Q₈	1	2	yes	—
75	C₂²×C₄×C₃₁	C₂⁴	1	1	yes	characteristic
76	M₁₆×C₃₁	—	2	8	no	—
77	C₂×C₈×C₃₁	—	2	1	no	—
78	C₂×C₈×C₃₁	—	2	1	no	—
79	C₂×C₈×C₃₁	—	2	1	no	—
80	C₂×C₈×C₃₁	—	2	1	no	—
81	C₂×C₈×C₃₁	—	2	8	no	—
82	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
83	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
84	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
85	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
86	C₂×C₈×C₃₁	#41	1	2	yes	—
87	C₂×C₈×C₃₁	#41	1	2	yes	—
88	C₂×C₈×C₃₁	#41	1	2	yes	—
89	C₂×C₈×C₃₁	#41	1	2	yes	—
90	C₄⋊C₄×C₃₁	—	2	4	no	—
91	C₄⋊C₄×C₃₁	—	2	4	no	—
92	C₄⋊C₄×C₃₁	—	2	4	no	—
93	C₄⋊C₄×C₃₁	—	2	4	no	—
94	C₄⋊C₄×C₃₁	—	8	4	no	—
95	C₄⋊C₄×C₃₁	C₄⋊C₄	1	8	yes	—
96	C₂²⋊C₄×C₃₁	—	8	4	no	—
97	C₂²⋊C₄×C₃₁	C₄⋊C₄	1	8	yes	—
98	C₄²×C₃₁	—	8	4	no	—
99	C₄²×C₃₁	C₂²×C₄	1	2	yes	—
100	C₄²×C₃₁	C₂²×C₄	1	2	yes	—
101	C₄²×C₃₁	C₂×Q₈	1	2	yes	—
102	C₄²×C₃₁	C₂×Q₈	1	2	yes	—
103	#20820	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
104	C₂³×C₃₁	—	2	1	no	—
105	C₂³×C₃₁	—	2	1	no	—
106	C₂³×C₃₁	—	2	4	no	—
107	C₂³×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
108	C₂³×C₃₁	C₂²×D₄	1	1	yes	characteristic
109	C₂×C₄×C₃₁	—	2	1	no	—
110	C₂×C₄×C₃₁	—	2	1	no	—
111	C₂×C₄×C₃₁	—	2	4	no	—
112	C₂×C₄×C₃₁	—	2	4	no	—
113	C₂×C₄×C₃₁	—	2	2	no	—
114	C₂×C₄×C₃₁	—	2	2	no	—
115	C₂×C₄×C₃₁	—	2	2	no	—
116	C₂×C₄×C₃₁	—	2	2	no	—
117	C₂×C₄×C₃₁	—	4	4	no	—
118	C₂×C₄×C₃₁	—	4	4	no	—
119	C₂×C₄×C₃₁	—	4	4	no	—
120	C₂×C₄×C₃₁	—	4	4	no	—
121	C₂×C₄×C₃₁	—	4	4	no	—
122	C₂×C₄×C₃₁	—	4	4	no	—
123	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
124	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
125	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
126	C₂×C₄×C₃₁	C₂³×C₄	1	1	yes	characteristic
127	C₂×C₄×C₃₁	C₂²×Q₈	1	1	yes	characteristic
128	C₂×C₄×C₃₁	C₂×#41	1	1	yes	characteristic
129	C₂×C₄×C₃₁	C₂×#41	1	1	yes	characteristic
130	C₂×C₄×C₃₁	C₂×#41	1	1	yes	characteristic
131	C₂×C₄×C₃₁	C₂×#41	1	1	yes	characteristic
132	C₈×C₃₁	—	2	2	no	—
133	C₈×C₃₁	—	2	2	no	—
134	C₈×C₃₁	#117	1	4	yes	—
135	C₈×C₃₁	#117	1	4	yes	—
136	C₂×#405	C₂×C₃₁	1	1	yes	characteristic
137	#2314	C₂×C₃₁	1	2	yes	—
138	#1846	C₂×C₃₁	1	1	yes	characteristic, complemented
139	#1844	C₂×C₃₁	1	1	yes	characteristic, complemented
140	#1836	C₂×C₃₁	1	2	yes	complemented
141	#1809	C₂×C₃₁	1	2	yes	—
142	#1807	C₂×C₃₁	1	2	yes	—
143	#1776	C₂×C₃₁	1	2	yes	complemented
144	C₄×#106	C₂×C₃₁	1	2	yes	complemented
145	C₂²×C₃₁	—	2	4	no	—
146	C₂²×C₃₁	—	2	2	no	—
147	C₂²×C₃₁	—	4	2	no	—
148	C₂²×C₃₁	—	4	2	no	—
149	C₂²×C₃₁	C₂²×C₄⋊C₄	1	1	yes	characteristic
150	C₂²×C₃₁	#532	1	1	yes	characteristic
151	C₂²×C₃₁	#532	1	1	yes	characteristic
152	C₂²×C₃₁	#577	1	4	yes	—
153	C₄×C₃₁	—	2	4	no	—
154	C₄×C₃₁	—	2	4	no	—
155	C₄×C₃₁	—	2	2	no	—
156	C₄×C₃₁	—	8	4	no	—
157	C₄×C₃₁	—	8	4	no	—
158	C₄×C₃₁	C₂×#117	1	1	yes	characteristic
159	C₄×C₃₁	C₂×#117	1	1	yes	characteristic
160	C₄×C₃₁	#533	1	1	yes	characteristic
161	C₄×C₃₁	#533	1	1	yes	characteristic
162	C₂²×M₁₆	C₂²×C₃₁	1	1	yes	characteristic
163	C₂³×C₈	C₂²×C₃₁	1	1	yes	characteristic
164	C₂×#117	C₂²×C₃₁	1	1	yes	characteristic
165	C₂×#107	C₂²×C₃₁	1	2	yes	—
166	C₂×#106	C₂²×C₃₁	1	2	yes	—
167	C₂×#106	C₂²×C₃₁	1	2	yes	—
168	C₂×#106	C₂²×C₃₁	1	2	yes	—
169	#405	C₄×C₃₁	1	8	yes	complemented
170	C₂×#97	C₂²×C₃₁	1	1	yes	characteristic
171	C₂×#97	C₂²×C₃₁	1	1	yes	characteristic
172	C₂×C₄×C₈	C₂²×C₃₁	1	1	yes	characteristic
173	C₂×C₄×C₈	C₂²×C₃₁	1	1	yes	characteristic
174	#388	—	2	4	no	—
175	#387	—	2	4	no	—
176	#384	C₂²×C₃₁	1	2	yes	—
177	#382	C₂²×C₃₁	1	2	yes	—
178	#380	C₂²×C₃₁	1	4	yes	—
179	C₄×C₄⋊C₄	C₂²×C₃₁	1	4	yes	—
180	#340	C₂²×C₃₁	1	4	yes	—
181	#340	C₂²×C₃₁	1	4	yes	—
182	C₂×C₃₁	—	4	2	no	—
183	C₂×C₃₁	#2285	1	1	yes	characteristic
184	C₂×C₃₁	#2912	1	2	yes	—
185	C₂×C₃₁	#3173	1	2	yes	—
186	C₂×C₃₁	#3174	1	2	yes	—
187	C₂³×C₄	C₂³×C₃₁	1	1	yes	characteristic
188	C₂×M₁₆	—	2	2	no	—
189	C₂×M₁₆	—	2	2	no	—
190	C₂×M₁₆	C₂×C₄×C₃₁	1	4	yes	—
191	C₂²×C₈	—	2	2	no	—
192	C₂²×C₈	—	2	2	no	—
193	C₂²×C₈	C₂×C₄×C₃₁	1	4	yes	—
194	C₂²×C₈	C₂³×C₃₁	1	1	yes	characteristic
195	C₂²×C₈	C₂³×C₃₁	1	1	yes	characteristic
196	C₂²×C₈	C₂³×C₃₁	1	1	yes	characteristic
197	C₂²×C₈	C₂³×C₃₁	1	1	yes	characteristic
198	#117	C₂×C₄×C₃₁	1	4	yes	—
199	#117	Q₈×C₃₁	1	4	yes	—
200	C₂×C₄⋊C₄	—	2	4	no	—
201	C₂×C₄⋊C₄	D₄×C₃₁	1	2	yes	—
202	C₂×C₄⋊C₄	C₂³×C₃₁	1	4	yes	—
203	C₂×C₄⋊C₄	C₂³×C₃₁	1	4	yes	—
204	C₂×C₂²⋊C₄	—	2	4	no	—
205	C₂×C₂²⋊C₄	D₄×C₃₁	1	2	yes	—
206	C₂×C₄²	—	2	4	no	—
207	C₂×C₄²	C₂³×C₃₁	1	1	yes	characteristic
208	C₂×C₄²	C₂³×C₃₁	1	1	yes	characteristic
209	#107	—	2	4	no	—
210	#106	—	2	4	no	—
211	#106	—	2	4	no	—
212	#106	—	2	4	no	—
213	#97	C₂×C₄×C₃₁	1	4	yes	—
214	#97	C₂×C₄×C₃₁	1	4	yes	—
215	C₄×C₈	C₂×C₄×C₃₁	1	4	yes	—
216	C₄×C₈	C₂×C₄×C₃₁	1	4	yes	—
217	#95	—	2	4	no	—
218	#95	—	2	4	no	—
219	#95	—	2	4	no	—
220	C₃₁	#20820	1	1	yes	characteristic, direct product factor, Sylow
221	C₂⁴	C₂×D₄×C₃₁	1	1	yes	characteristic
222	C₂²×C₄	—	2	1	no	—
223	C₂²×C₄	—	2	1	no	—
224	C₂²×C₄	—	2	1	no	—
225	C₂²×C₄	—	2	1	no	—
226	C₂²×C₄	—	2	4	no	—
227	C₂²×C₄	—	2	4	no	—
228	C₂²×C₄	C₂²×C₄×C₃₁	1	2	yes	—
229	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
230	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
231	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
232	C₂²×C₄	C₂×Q₈×C₃₁	1	2	yes	—
233	C₂²×C₄	C₂⁴×C₃₁	1	1	yes	characteristic
234	M₁₆	—	2	8	no	—
235	C₂×C₈	—	2	1	no	—
236	C₂×C₈	—	2	1	no	—
237	C₂×C₈	—	2	1	no	—
238	C₂×C₈	—	2	1	no	—
239	C₂×C₈	—	2	8	no	—
240	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
241	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
242	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
243	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
244	C₂×C₈	#41×C₃₁	1	2	yes	—
245	C₂×C₈	#41×C₃₁	1	2	yes	—
246	C₂×C₈	#41×C₃₁	1	2	yes	—
247	C₂×C₈	#41×C₃₁	1	2	yes	—
248	C₄⋊C₄	—	2	4	no	—
249	C₄⋊C₄	—	2	4	no	—
250	C₄⋊C₄	—	2	4	no	—
251	C₄⋊C₄	—	2	4	no	—
252	C₄⋊C₄	—	8	4	no	—
253	C₄⋊C₄	C₄⋊C₄×C₃₁	1	8	yes	—
254	C₂²⋊C₄	—	8	4	no	—
255	C₂²⋊C₄	C₄⋊C₄×C₃₁	1	8	yes	—
256	C₄²	—	8	4	no	—
257	C₄²	C₂²×C₄×C₃₁	1	2	yes	—
258	C₄²	C₂²×C₄×C₃₁	1	2	yes	—
259	C₄²	C₂×Q₈×C₃₁	1	2	yes	—
260	C₄²	C₂×Q₈×C₃₁	1	2	yes	—
261	C₂³	—	2	1	no	—
262	C₂³	—	2	1	no	—
263	C₂³	—	2	4	no	—
264	C₂³	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
265	C₂³	C₂²×D₄×C₃₁	1	1	yes	characteristic
266	C₂×C₄	—	2	1	no	—
267	C₂×C₄	—	2	1	no	—
268	C₂×C₄	—	2	4	no	—
269	C₂×C₄	—	2	4	no	—
270	C₂×C₄	—	2	2	no	—
271	C₂×C₄	—	2	2	no	—
272	C₂×C₄	—	2	2	no	—
273	C₂×C₄	—	2	2	no	—
274	C₂×C₄	—	4	4	no	—
275	C₂×C₄	—	4	4	no	—
276	C₂×C₄	—	4	4	no	—
277	C₂×C₄	—	4	4	no	—
278	C₂×C₄	—	4	4	no	—
279	C₂×C₄	—	4	4	no	—
280	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
281	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
282	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
283	C₂×C₄	C₂³×C₄×C₃₁	1	1	yes	characteristic
284	C₂×C₄	C₂²×Q₈×C₃₁	1	1	yes	characteristic
285	C₂×C₄	C₂×#41×C₃₁	1	1	yes	characteristic
286	C₂×C₄	C₂×#41×C₃₁	1	1	yes	characteristic
287	C₂×C₄	C₂×#41×C₃₁	1	1	yes	characteristic
288	C₂×C₄	C₂×#41×C₃₁	1	1	yes	characteristic
289	C₈	—	2	2	no	—
290	C₈	—	2	2	no	—
291	C₈	C₃₁×#117	1	4	yes	—
292	C₈	C₃₁×#117	1	4	yes	—
293	C₂²	—	2	4	no	—
294	C₂²	—	2	2	no	—
295	C₂²	—	4	2	no	—
296	C₂²	—	4	2	no	—
297	C₂²	C₂²×C₄⋊C₄×C₃₁	1	1	yes	characteristic
298	C₂²	C₃₁×#532	1	1	yes	characteristic
299	C₂²	C₃₁×#532	1	1	yes	characteristic
300	C₂²	C₃₁×#577	1	4	yes	—
301	C₄	—	2	4	no	—
302	C₄	—	2	4	no	—
303	C₄	—	2	2	no	—
304	C₄	—	8	4	no	—
305	C₄	—	8	4	no	—
306	C₄	C₂×C₃₁×#117	1	1	yes	characteristic
307	C₄	C₂×C₃₁×#117	1	1	yes	characteristic
308	C₄	C₃₁×#533	1	1	yes	characteristic
309	C₄	C₃₁×#533	1	1	yes	characteristic
310	C₂	—	4	2	no	—
311	C₂	C₃₁×#2285	1	1	yes	characteristic
312	C₂	C₃₁×#2912	1	2	yes	—
313	C₂	C₃₁×#3173	1	2	yes	—
314	C₂	C₃₁×#3174	1	2	yes	—

	subgroup	G/H
center, socle	C₂³×C₃₁	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₃₁
Frattini, cosocle	C₂²×C₄	C₂⁴×C₃₁
prime radical	C₂⁴×C₃₁	C₂×D₄
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₃₁ ◁ C₂×C₃₁×#117 ◁ G

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1846	C₂	semidirect
4. C₃₁×#1844	C₂	semidirect
5. C₃₁×#1836	C₂	semidirect
8. C₃₁×#1776	C₂	semidirect
9. C₄×C₃₁×#106	C₂	semidirect
17. C₃₁×#405	C₄	semidirect
103. #20820	C₃₁	direct (N × H)
138. #1846	C₂×C₃₁	semidirect
139. #1844	C₂×C₃₁	semidirect
140. #1836	C₂×C₃₁	semidirect
143. #1776	C₂×C₃₁	semidirect
144. C₄×#106	C₂×C₃₁	semidirect
169. #405	C₄×C₃₁	semidirect
220. C₃₁	#20820	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂×C₃₁×#405	2
C₃₁×#2314	2
C₃₁×#1846	2
C₃₁×#1844	2
C₃₁×#1836	2
C₃₁×#1809	2
C₃₁×#1807	2
C₃₁×#1776	2
C₄×C₃₁×#106	2
#20820	31

Subgroups — C31×#20820 #21477579

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#20820 #21477579