Subgroups — C₃₁×#7890 #21464649

Order 7936.

830 conjugacy classes of subgroups.

The subgroup lattice has 302 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₃₁×#431	C₂	1	1	yes	maximal, characteristic
2	C₂²×C₄×C₈×C₃₁	C₂	1	1	yes	maximal, characteristic
3	C₄×C₃₁×#117	C₂	1	1	yes	maximal, characteristic
4	C₃₁×#1279	C₂	1	4	yes	maximal, complemented
5	C₂³×C₈×C₃₁	—	2	1	no	—
6	C₂×C₃₁×#117	C₄	1	2	yes	—
7	C₂²×C₄²×C₃₁	C₂²	1	1	yes	characteristic
8	C₃₁×#431	—	2	2	no	—
9	C₃₁×#431	C₄	1	4	yes	complemented
10	C₂×C₃₁×C₄⋊C₈	C₂²	1	2	yes	—
11	C₂×C₃₁×C₂²⋊C₈	—	2	1	no	—
12	C₂×C₄×C₈×C₃₁	—	2	1	no	—
13	C₂×C₄×C₈×C₃₁	—	2	2	no	—
14	C₂×C₄×C₈×C₃₁	—	2	1	no	—
15	C₂×C₄×C₈×C₃₁	C₄	1	4	yes	complemented
16	C₂×C₄×C₈×C₃₁	C₂²	1	2	yes	—
17	C₄×C₄⋊C₄×C₃₁	C₄	1	2	yes	—
18	C₄×C₄⋊C₄×C₃₁	C₂²	1	2	yes	—
19	C₄×C₂²⋊C₄×C₃₁	—	2	1	no	—
20	C₄×C₂²⋊C₄×C₃₁	—	2	1	no	—
21	C₃₁×#376	—	2	1	no	—
22	C₄³×C₃₁	—	2	1	no	—
23	C₂³×C₄×C₃₁	C₂×C₄	1	1	yes	characteristic
24	C₂³×C₄×C₃₁	D₄	1	1	yes	characteristic
25	C₂³×C₄×C₃₁	D₄	1	1	yes	characteristic
26	C₂²×C₈×C₃₁	—	2	8	no	—
27	C₂²×C₈×C₃₁	—	2	4	no	—
28	C₂²×C₈×C₃₁	—	2	2	no	—
29	C₂²×C₈×C₃₁	—	2	2	no	—
30	C₃₁×#117	—	2	4	no	—
31	C₃₁×#117	C₈	1	8	yes	complemented
32	C₂×C₄⋊C₄×C₃₁	C₂×C₄	1	4	yes	—
33	C₂×C₂²⋊C₄×C₃₁	—	2	2	no	—
34	C₂×C₄²×C₃₁	—	2	2	no	—
35	C₂×C₄²×C₃₁	—	2	2	no	—
36	C₂×C₄²×C₃₁	—	2	2	no	—
37	C₂×C₄²×C₃₁	C₂×C₄	1	1	yes	characteristic
38	C₂×C₄²×C₃₁	C₂×C₄	1	2	yes	—
39	C₂×C₄²×C₃₁	C₂×C₄	1	2	yes	—
40	C₂×C₄²×C₃₁	D₄	1	1	yes	characteristic
41	C₂×C₄²×C₃₁	D₄	1	2	yes	—
42	C₂×C₄²×C₃₁	D₄	1	1	yes	characteristic
43	C₂×C₄²×C₃₁	Q₈	1	2	yes	—
44	C₂×C₄²×C₃₁	C₂³	1	1	yes	characteristic
45	C₃₁×C₄⋊C₈	—	2	2	no	—
46	C₃₁×C₄⋊C₈	C₂×C₄	1	4	yes	—
47	C₃₁×C₂²⋊C₈	—	2	4	no	—
48	C₄×C₈×C₃₁	—	2	4	no	—
49	C₄×C₈×C₃₁	—	2	4	no	—
50	C₄×C₈×C₃₁	—	2	2	no	—
51	C₄×C₈×C₃₁	C₂×C₄	1	4	yes	—
52	C₃₁×#95	—	2	2	no	—
53	C₃₁×#95	—	2	2	no	—
54	C₂⁴×C₃₁	C₂²⋊C₄	1	1	yes	characteristic
55	C₂²×C₄×C₃₁	—	2	4	no	—
56	C₂²×C₄×C₃₁	—	2	4	no	—
57	C₂²×C₄×C₃₁	—	2	4	no	—
58	C₂²×C₄×C₃₁	C₄²	1	2	yes	—
59	C₂²×C₄×C₃₁	C₂²⋊C₄	1	1	yes	characteristic
60	C₂²×C₄×C₃₁	C₂²⋊C₄	1	2	yes	—
61	C₂²×C₄×C₃₁	C₂²⋊C₄	1	2	yes	—
62	C₂²×C₄×C₃₁	C₂²⋊C₄	1	1	yes	characteristic
63	C₂²×C₄×C₃₁	C₂²⋊C₄	1	1	yes	characteristic
64	C₂²×C₄×C₃₁	C₄⋊C₄	1	2	yes	—
65	C₂²×C₄×C₃₁	C₄⋊C₄	1	2	yes	—
66	C₂²×C₄×C₃₁	C₄⋊C₄	1	2	yes	—
67	C₂²×C₄×C₃₁	C₂×C₈	1	4	yes	—
68	C₂²×C₄×C₃₁	M₁₆	1	4	yes	—
69	C₂²×C₄×C₃₁	C₂²×C₄	1	1	yes	characteristic
70	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
71	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
72	C₂×C₈×C₃₁	—	2	8	no	—
73	C₂×C₈×C₃₁	—	2	16	no	—
74	C₂×C₈×C₃₁	—	2	4	no	—
75	C₂×C₈×C₃₁	—	2	4	no	—
76	C₂×C₈×C₃₁	—	4	4	no	—
77	C₄⋊C₄×C₃₁	—	2	4	no	—
78	C₄⋊C₄×C₃₁	C₂×C₈	1	8	yes	complemented
79	C₂²⋊C₄×C₃₁	—	2	8	no	—
80	C₄²×C₃₁	—	2	8	no	—
81	C₄²×C₃₁	—	4	4	no	—
82	C₄²×C₃₁	—	4	4	no	—
83	C₄²×C₃₁	C₄²	1	2	yes	—
84	C₄²×C₃₁	C₂²⋊C₄	1	2	yes	—
85	C₄²×C₃₁	C₂²⋊C₄	1	2	yes	—
86	C₄²×C₃₁	C₄⋊C₄	1	2	yes	—
87	C₄²×C₃₁	C₄⋊C₄	1	2	yes	—
88	C₄²×C₃₁	C₄⋊C₄	1	2	yes	—
89	C₄²×C₃₁	C₂²×C₄	1	1	yes	characteristic
90	C₄²×C₃₁	C₂²×C₄	1	1	yes	characteristic
91	C₄²×C₃₁	C₂×D₄	1	1	yes	characteristic
92	C₄²×C₃₁	C₂×Q₈	1	1	yes	characteristic
93	#7890	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
94	C₂³×C₃₁	—	2	2	no	—
95	C₂³×C₃₁	—	2	2	no	—
96	C₂³×C₃₁	#95	1	2	yes	—
97	C₂³×C₃₁	C₂²⋊C₈	1	4	yes	—
98	C₂³×C₃₁	C₂×C₂²⋊C₄	1	1	yes	characteristic
99	C₂×C₄×C₃₁	—	2	2	no	—
100	C₂×C₄×C₃₁	—	2	2	no	—
101	C₂×C₄×C₃₁	—	2	4	no	—
102	C₂×C₄×C₃₁	—	2	4	no	—
103	C₂×C₄×C₃₁	—	2	4	no	—
104	C₂×C₄×C₃₁	—	2	4	no	—
105	C₂×C₄×C₃₁	—	2	8	no	—
106	C₂×C₄×C₃₁	—	4	4	no	—
107	C₂×C₄×C₃₁	—	4	4	no	—
108	C₂×C₄×C₃₁	#95	1	2	yes	—
109	C₂×C₄×C₃₁	#95	1	2	yes	—
110	C₂×C₄×C₃₁	#95	1	2	yes	—
111	C₂×C₄×C₃₁	C₄×C₈	1	4	yes	—
112	C₂×C₄×C₃₁	#97	1	4	yes	—
113	C₂×C₄×C₃₁	C₂²⋊C₈	1	4	yes	—
114	C₂×C₄×C₃₁	#104	1	4	yes	—
115	C₂×C₄×C₃₁	C₄⋊C₈	1	8	yes	—
116	C₂×C₄×C₃₁	C₂×C₄²	1	1	yes	characteristic
117	C₂×C₄×C₃₁	C₂×C₂²⋊C₄	1	1	yes	characteristic
118	C₂×C₄×C₃₁	C₂×C₂²⋊C₄	1	1	yes	characteristic
119	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
120	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
121	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
122	C₂×C₄×C₃₁	C₂²×C₈	1	2	yes	—
123	C₂×C₄×C₃₁	C₂×M₁₆	1	2	yes	—
124	C₂×C₄×C₃₁	#135	1	4	yes	—
125	C₈×C₃₁	—	2	8	no	—
126	C₈×C₃₁	—	4	4	no	—
127	C₂×#431	C₂×C₃₁	1	1	yes	characteristic
128	C₂²×C₄×C₈	C₂×C₃₁	1	1	yes	characteristic
129	C₄×#117	C₂×C₃₁	1	1	yes	characteristic
130	#1279	C₂×C₃₁	1	4	yes	complemented
131	C₂²×C₃₁	—	2	8	no	—
132	C₂²×C₃₁	—	2	2	no	—
133	C₂²×C₃₁	—	2	2	no	—
134	C₂²×C₃₁	#336	1	4	yes	—
135	C₂²×C₃₁	C₂×#95	1	1	yes	characteristic
136	C₂²×C₃₁	C₂×C₂²⋊C₈	1	2	yes	—
137	C₂²×C₃₁	#416	1	2	yes	—
138	C₂²×C₃₁	C₂×#104	1	2	yes	—
139	C₄×C₃₁	—	2	1	no	—
140	C₄×C₃₁	—	2	1	no	—
141	C₄×C₃₁	—	2	2	no	—
142	C₄×C₃₁	—	4	8	no	—
143	C₄×C₃₁	#336	1	4	yes	—
144	C₄×C₃₁	#339	1	4	yes	—
145	C₄×C₃₁	C₂×C₄×C₈	1	1	yes	characteristic
146	C₄×C₃₁	C₂×#97	1	1	yes	characteristic
147	C₄×C₃₁	#416	1	2	yes	—
148	C₄×C₃₁	C₂×C₄⋊C₈	1	2	yes	—
149	C₄×C₃₁	#427	1	2	yes	—
150	C₂³×C₈	—	2	1	no	—
151	C₂×#117	C₄×C₃₁	1	2	yes	—
152	C₂²×C₄²	C₂²×C₃₁	1	1	yes	characteristic
153	#431	—	2	2	no	—
154	#431	C₄×C₃₁	1	4	yes	complemented
155	C₂×C₄⋊C₈	C₂²×C₃₁	1	2	yes	—
156	C₂×C₂²⋊C₈	—	2	1	no	—
157	C₂×C₄×C₈	—	2	1	no	—
158	C₂×C₄×C₈	—	2	2	no	—
159	C₂×C₄×C₈	—	2	1	no	—
160	C₂×C₄×C₈	C₄×C₃₁	1	4	yes	complemented
161	C₂×C₄×C₈	C₂²×C₃₁	1	2	yes	—
162	C₄×C₄⋊C₄	C₄×C₃₁	1	2	yes	—
163	C₄×C₄⋊C₄	C₂²×C₃₁	1	2	yes	—
164	C₄×C₂²⋊C₄	—	2	1	no	—
165	C₄×C₂²⋊C₄	—	2	1	no	—
166	#376	—	2	1	no	—
167	C₄³	—	2	1	no	—
168	C₂×C₃₁	—	2	4	no	—
169	C₂×C₃₁	#1476	1	4	yes	—
170	C₂×C₃₁	C₂×#336	1	1	yes	characteristic
171	C₂×C₃₁	C₂×#339	1	1	yes	characteristic
172	C₂×C₃₁	#1735	1	1	yes	characteristic
173	C₂³×C₄	C₂×C₄×C₃₁	1	1	yes	characteristic
174	C₂³×C₄	D₄×C₃₁	1	1	yes	characteristic
175	C₂³×C₄	D₄×C₃₁	1	1	yes	characteristic
176	C₂²×C₈	—	2	8	no	—
177	C₂²×C₈	—	2	4	no	—
178	C₂²×C₈	—	2	2	no	—
179	C₂²×C₈	—	2	2	no	—
180	#117	—	2	4	no	—
181	#117	C₈×C₃₁	1	8	yes	complemented
182	C₂×C₄⋊C₄	C₂×C₄×C₃₁	1	4	yes	—
183	C₂×C₂²⋊C₄	—	2	2	no	—
184	C₂×C₄²	—	2	2	no	—
185	C₂×C₄²	—	2	2	no	—
186	C₂×C₄²	—	2	2	no	—
187	C₂×C₄²	C₂×C₄×C₃₁	1	1	yes	characteristic
188	C₂×C₄²	C₂×C₄×C₃₁	1	2	yes	—
189	C₂×C₄²	C₂×C₄×C₃₁	1	2	yes	—
190	C₂×C₄²	D₄×C₃₁	1	1	yes	characteristic
191	C₂×C₄²	D₄×C₃₁	1	1	yes	characteristic
192	C₂×C₄²	D₄×C₃₁	1	2	yes	—
193	C₂×C₄²	Q₈×C₃₁	1	2	yes	—
194	C₂×C₄²	C₂³×C₃₁	1	1	yes	characteristic
195	C₄⋊C₈	—	2	2	no	—
196	C₄⋊C₈	C₂×C₄×C₃₁	1	4	yes	—
197	C₂²⋊C₈	—	2	4	no	—
198	C₄×C₈	—	2	4	no	—
199	C₄×C₈	—	2	4	no	—
200	C₄×C₈	—	2	2	no	—
201	C₄×C₈	C₂×C₄×C₃₁	1	4	yes	—
202	#95	—	2	2	no	—
203	#95	—	2	2	no	—
204	C₃₁	#7890	1	1	yes	characteristic, direct product factor, Sylow
205	C₂⁴	C₂²⋊C₄×C₃₁	1	1	yes	characteristic
206	C₂²×C₄	—	2	4	no	—
207	C₂²×C₄	—	2	4	no	—
208	C₂²×C₄	—	2	4	no	—
209	C₂²×C₄	C₄²×C₃₁	1	2	yes	—
210	C₂²×C₄	C₂²⋊C₄×C₃₁	1	1	yes	characteristic
211	C₂²×C₄	C₂²⋊C₄×C₃₁	1	2	yes	—
212	C₂²×C₄	C₂²⋊C₄×C₃₁	1	2	yes	—
213	C₂²×C₄	C₂²⋊C₄×C₃₁	1	1	yes	characteristic
214	C₂²×C₄	C₂²⋊C₄×C₃₁	1	1	yes	characteristic
215	C₂²×C₄	C₄⋊C₄×C₃₁	1	2	yes	—
216	C₂²×C₄	C₄⋊C₄×C₃₁	1	2	yes	—
217	C₂²×C₄	C₄⋊C₄×C₃₁	1	2	yes	—
218	C₂²×C₄	C₂×C₈×C₃₁	1	4	yes	—
219	C₂²×C₄	M₁₆×C₃₁	1	4	yes	—
220	C₂²×C₄	C₂²×C₄×C₃₁	1	1	yes	characteristic
221	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
222	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
223	C₂×C₈	—	2	8	no	—
224	C₂×C₈	—	2	16	no	—
225	C₂×C₈	—	2	4	no	—
226	C₂×C₈	—	2	4	no	—
227	C₂×C₈	—	4	4	no	—
228	C₄⋊C₄	—	2	4	no	—
229	C₄⋊C₄	C₂×C₈×C₃₁	1	8	yes	complemented
230	C₂²⋊C₄	—	2	8	no	—
231	C₄²	—	2	8	no	—
232	C₄²	—	4	4	no	—
233	C₄²	—	4	4	no	—
234	C₄²	C₄²×C₃₁	1	2	yes	—
235	C₄²	C₂²⋊C₄×C₃₁	1	2	yes	—
236	C₄²	C₂²⋊C₄×C₃₁	1	2	yes	—
237	C₄²	C₄⋊C₄×C₃₁	1	2	yes	—
238	C₄²	C₄⋊C₄×C₃₁	1	2	yes	—
239	C₄²	C₄⋊C₄×C₃₁	1	2	yes	—
240	C₄²	C₂²×C₄×C₃₁	1	1	yes	characteristic
241	C₄²	C₂²×C₄×C₃₁	1	1	yes	characteristic
242	C₄²	C₂×D₄×C₃₁	1	1	yes	characteristic
243	C₄²	C₂×Q₈×C₃₁	1	1	yes	characteristic
244	C₂³	—	2	2	no	—
245	C₂³	—	2	2	no	—
246	C₂³	C₃₁×#95	1	2	yes	—
247	C₂³	C₃₁×C₂²⋊C₈	1	4	yes	—
248	C₂³	C₂×C₂²⋊C₄×C₃₁	1	1	yes	characteristic
249	C₂×C₄	—	2	2	no	—
250	C₂×C₄	—	2	2	no	—
251	C₂×C₄	—	2	4	no	—
252	C₂×C₄	—	2	4	no	—
253	C₂×C₄	—	2	4	no	—
254	C₂×C₄	—	2	4	no	—
255	C₂×C₄	—	2	8	no	—
256	C₂×C₄	—	4	4	no	—
257	C₂×C₄	—	4	4	no	—
258	C₂×C₄	C₃₁×#95	1	2	yes	—
259	C₂×C₄	C₃₁×#95	1	2	yes	—
260	C₂×C₄	C₃₁×#95	1	2	yes	—
261	C₂×C₄	C₄×C₈×C₃₁	1	4	yes	—
262	C₂×C₄	C₃₁×#97	1	4	yes	—
263	C₂×C₄	C₃₁×C₂²⋊C₈	1	4	yes	—
264	C₂×C₄	C₃₁×#104	1	4	yes	—
265	C₂×C₄	C₃₁×C₄⋊C₈	1	8	yes	—
266	C₂×C₄	C₂×C₄²×C₃₁	1	1	yes	characteristic
267	C₂×C₄	C₂×C₂²⋊C₄×C₃₁	1	1	yes	characteristic
268	C₂×C₄	C₂×C₂²⋊C₄×C₃₁	1	1	yes	characteristic
269	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
270	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
271	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
272	C₂×C₄	C₂²×C₈×C₃₁	1	2	yes	—
273	C₂×C₄	C₂×M₁₆×C₃₁	1	2	yes	—
274	C₂×C₄	C₃₁×#135	1	4	yes	—
275	C₈	—	2	8	no	—
276	C₈	—	4	4	no	—
277	C₂²	—	2	8	no	—
278	C₂²	—	2	2	no	—
279	C₂²	—	2	2	no	—
280	C₂²	C₃₁×#336	1	4	yes	—
281	C₂²	C₂×C₃₁×#95	1	1	yes	characteristic
282	C₂²	C₂×C₃₁×C₂²⋊C₈	1	2	yes	—
283	C₂²	C₃₁×#416	1	2	yes	—
284	C₂²	C₂×C₃₁×#104	1	2	yes	—
285	C₄	—	2	1	no	—
286	C₄	—	2	1	no	—
287	C₄	—	2	2	no	—
288	C₄	—	4	8	no	—
289	C₄	C₃₁×#336	1	4	yes	—
290	C₄	C₃₁×#339	1	4	yes	—
291	C₄	C₂×C₄×C₈×C₃₁	1	1	yes	characteristic
292	C₄	C₂×C₃₁×#97	1	1	yes	characteristic
293	C₄	C₃₁×#416	1	2	yes	—
294	C₄	C₂×C₃₁×C₄⋊C₈	1	2	yes	—
295	C₄	C₃₁×#427	1	2	yes	—
296	C₂	—	2	4	no	—
297	C₂	C₃₁×#1476	1	4	yes	—
298	C₂	C₂×C₃₁×#336	1	1	yes	characteristic
299	C₂	C₂×C₃₁×#339	1	1	yes	characteristic
300	C₂	C₃₁×#1735	1	1	yes	characteristic

	subgroup	G/H
center	C₂×C₄²×C₃₁	D₄
commutator	C₄	C₂×C₄×C₈×C₃₁
Frattini, cosocle	C₂×C₄²	C₂³×C₃₁
socle	C₂³×C₃₁	C₂×C₂²⋊C₄
prime radical	C₂⁴×C₃₁	C₂²⋊C₄
LCS	G ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄²×C₃₁ ◁ C₂²×C₄²×C₃₁ ◁ G

Complements

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

N	H ≅ G/N	type
4. C₃₁×#1279	C₂	semidirect
9. C₃₁×#431	C₄	semidirect
15. C₂×C₄×C₈×C₃₁	C₄	semidirect
31. C₃₁×#117	C₈	semidirect
78. C₄⋊C₄×C₃₁	C₂×C₈	semidirect
93. #7890	C₃₁	direct (N × H)
130. #1279	C₂×C₃₁	semidirect
154. #431	C₄×C₃₁	semidirect
160. C₂×C₄×C₈	C₄×C₃₁	semidirect
181. #117	C₈×C₃₁	semidirect
204. C₃₁	#7890	direct (N × H)
229. C₄⋊C₄	C₂×C₈×C₃₁	semidirect

Maximal subgroups

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

subgroup	index
C₂×C₃₁×#431	2
C₂²×C₄×C₈×C₃₁	2
C₄×C₃₁×#117	2
C₃₁×#1279	2
#7890	31

Subgroups — C31×#7890 #21464649

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#7890 #21464649