Subgroups — C₃₁×#21940 #21478699

Order 7936.

1266 conjugacy classes of subgroups.

The subgroup lattice has 272 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₃₁×C₂²⋊C₈	C₂	1	1	yes	maximal, characteristic
2	C₂×C₃₁×#380	C₂	1	2	yes	maximal
3	C₃₁×#1852	C₂	1	8	yes	maximal, complemented
4	C₃₁×#1808	C₂	1	4	yes	maximal, complemented
5	C₂⁴×C₄×C₃₁	C₂²	1	1	yes	characteristic
6	C₂³×C₈×C₃₁	C₂²	1	2	yes	—
7	C₂²×C₄⋊C₄×C₃₁	C₂²	1	4	yes	—
8	C₂²×C₂²⋊C₄×C₃₁	—	2	2	no	—
9	C₂×C₃₁×#107	C₂²	1	8	yes	complemented
10	C₂×C₃₁×C₂²⋊C₈	C₄	1	8	yes	complemented
11	C₂×C₃₁×C₂²⋊C₈	C₂²	1	4	yes	—
12	C₃₁×#380	—	2	2	no	—
13	C₃₁×#380	—	2	2	no	—
14	C₃₁×#380	C₂²	1	4	yes	—
15	C₃₁×#380	C₂²	1	4	yes	—
16	C₂×C₃₁×#95	—	2	2	no	—
17	C₃₁×#340	C₂²	1	8	yes	complemented
18	C₂⁵×C₃₁	D₄	1	1	yes	characteristic
19	C₂³×C₄×C₃₁	—	2	4	no	—
20	C₂³×C₄×C₃₁	—	4	4	no	—
21	C₂³×C₄×C₃₁	C₂×C₄	1	4	yes	—
22	C₂³×C₄×C₃₁	D₄	1	2	yes	—
23	C₂³×C₄×C₃₁	D₄	1	1	yes	characteristic
24	C₂³×C₄×C₃₁	Q₈	1	4	yes	—
25	C₂³×C₄×C₃₁	C₂³	1	2	yes	—
26	C₂³×C₄×C₃₁	C₂³	1	1	yes	characteristic
27	C₂²×C₈×C₃₁	—	4	4	no	—
28	C₂²×C₈×C₃₁	C₂×C₄	1	8	yes	complemented
29	C₂²×C₈×C₃₁	C₂³	1	4	yes	—
30	C₂×C₄⋊C₄×C₃₁	—	2	4	no	—
31	C₂×C₄⋊C₄×C₃₁	—	4	8	no	—
32	C₂×C₄⋊C₄×C₃₁	C₂³	1	8	yes	—
33	C₂×C₂²⋊C₄×C₃₁	—	2	4	no	—
34	C₂×C₂²⋊C₄×C₃₁	—	2	4	no	—
35	C₂×C₂²⋊C₄×C₃₁	—	4	8	no	—
36	C₃₁×#107	—	4	8	no	—
37	C₃₁×C₂²⋊C₈	C₂×C₄	1	16	yes	complemented
38	C₃₁×#95	—	2	4	no	—
39	C₃₁×#95	—	2	4	no	—
40	C₂⁴×C₃₁	—	4	2	no	—
41	C₂⁴×C₃₁	—	4	2	no	—
42	C₂⁴×C₃₁	C₄⋊C₄	1	4	yes	—
43	C₂⁴×C₃₁	D₈	1	4	yes	—
44	C₂⁴×C₃₁	Q₁₆	1	4	yes	—
45	C₂⁴×C₃₁	C₂×D₄	1	1	yes	characteristic
46	C₂⁴×C₃₁	C₂×D₄	1	2	yes	—
47	C₂²×C₄×C₃₁	—	2	8	no	—
48	C₂²×C₄×C₃₁	—	2	4	no	—
49	C₂²×C₄×C₃₁	—	2	8	no	—
50	C₂²×C₄×C₃₁	—	4	8	no	—
51	C₂²×C₄×C₃₁	—	4	8	no	—
52	C₂²×C₄×C₃₁	—	4	2	no	—
53	C₂²×C₄×C₃₁	—	4	4	no	—
54	C₂²×C₄×C₃₁	—	4	8	no	—
55	C₂²×C₄×C₃₁	—	4	8	no	—
56	C₂²×C₄×C₃₁	—	4	8	no	—
57	C₂²×C₄×C₃₁	C₄⋊C₄	1	8	yes	—
58	C₂²×C₄×C₃₁	C₄⋊C₄	1	4	yes	—
59	C₂²×C₄×C₃₁	C₂²×C₄	1	4	yes	—
60	C₂²×C₄×C₃₁	C₂²×C₄	1	2	yes	—
61	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
62	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
63	C₂²×C₄×C₃₁	C₂×Q₈	1	4	yes	—
64	C₂²×C₄×C₃₁	C₂×Q₈	1	2	yes	—
65	C₂²×C₄×C₃₁	C₂⁴	1	1	yes	characteristic
66	C₂×C₈×C₃₁	—	2	8	no	—
67	C₂×C₈×C₃₁	—	4	8	no	—
68	C₂×C₈×C₃₁	C₂²×C₄	1	8	yes	—
69	C₄⋊C₄×C₃₁	—	2	16	no	—
70	C₄⋊C₄×C₃₁	—	4	8	no	—
71	C₂²⋊C₄×C₃₁	—	4	8	no	—
72	C₂²⋊C₄×C₃₁	—	4	8	no	—
73	#21940	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
74	C₂³×C₃₁	—	2	4	no	—
75	C₂³×C₃₁	—	2	2	no	—
76	C₂³×C₃₁	—	2	4	no	—
77	C₂³×C₃₁	—	2	2	no	—
78	C₂³×C₃₁	—	4	4	no	—
79	C₂³×C₃₁	—	4	4	no	—
80	C₂³×C₃₁	—	4	8	no	—
81	C₂³×C₃₁	—	4	8	no	—
82	C₂³×C₃₁	#107	1	16	yes	complemented
83	C₂³×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
84	C₂³×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
85	C₂³×C₃₁	C₂×D₈	1	2	yes	—
86	C₂³×C₃₁	C₂×D₈	1	4	yes	—
87	C₂³×C₃₁	C₂×Q₁₆	1	2	yes	—
88	C₂³×C₃₁	C₂×Q₁₆	1	4	yes	—
89	C₂³×C₃₁	C₂²×D₄	1	1	yes	characteristic
90	C₂×C₄×C₃₁	—	2	4	no	—
91	C₂×C₄×C₃₁	—	2	2	no	—
92	C₂×C₄×C₃₁	—	2	4	no	—
93	C₂×C₄×C₃₁	—	2	8	no	—
94	C₂×C₄×C₃₁	—	2	8	no	—
95	C₂×C₄×C₃₁	—	2	4	no	—
96	C₂×C₄×C₃₁	—	4	4	no	—
97	C₂×C₄×C₃₁	—	4	8	no	—
98	C₂×C₄×C₃₁	—	4	8	no	—
99	C₂×C₄×C₃₁	—	4	8	no	—
100	C₂×C₄×C₃₁	—	4	8	no	—
101	C₂×C₄×C₃₁	—	8	16	no	—
102	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
103	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
104	C₂×C₄×C₃₁	C₂³×C₄	1	1	yes	characteristic
105	C₂×C₄×C₃₁	C₂²×Q₈	1	1	yes	characteristic
106	C₂×C₄×C₃₁	H(5,𝔽₂)	1	4	yes	—
107	C₈×C₃₁	—	2	8	no	—
108	C₂²×C₂²⋊C₈	C₂×C₃₁	1	1	yes	characteristic
109	C₂×#380	C₂×C₃₁	1	2	yes	—
110	#1852	C₂×C₃₁	1	8	yes	complemented
111	#1808	C₂×C₃₁	1	4	yes	complemented
112	C₂²×C₃₁	—	2	2	no	—
113	C₂²×C₃₁	—	2	4	no	—
114	C₂²×C₃₁	—	2	4	no	—
115	C₂²×C₃₁	—	2	2	no	—
116	C₂²×C₃₁	—	2	8	no	—
117	C₂²×C₃₁	—	2	4	no	—
118	C₂²×C₃₁	—	2	8	no	—
119	C₂²×C₃₁	—	2	4	no	—
120	C₂²×C₃₁	—	4	16	no	—
121	C₂²×C₃₁	C₂×#107	1	4	yes	—
122	C₂²×C₃₁	C₂×#107	1	8	yes	—
123	C₂²×C₃₁	C₂²×C₄⋊C₄	1	1	yes	characteristic
124	C₂²×C₃₁	#534	1	2	yes	—
125	C₂²×C₃₁	C₂²×D₈	1	1	yes	characteristic
126	C₂²×C₃₁	C₂²×Q₁₆	1	1	yes	characteristic
127	C₂²×C₃₁	#575	1	2	yes	—
128	C₄×C₃₁	—	2	4	no	—
129	C₄×C₃₁	—	2	2	no	—
130	C₄×C₃₁	—	8	8	no	—
131	C₄×C₃₁	#518	1	2	yes	—
132	C₄×C₃₁	#543	1	2	yes	—
133	C₂⁴×C₄	C₂²×C₃₁	1	1	yes	characteristic
134	C₂³×C₈	C₂²×C₃₁	1	2	yes	—
135	C₂²×C₄⋊C₄	C₂²×C₃₁	1	4	yes	—
136	C₂²×C₂²⋊C₄	—	2	2	no	—
137	C₂×#107	C₂²×C₃₁	1	8	yes	complemented
138	C₂×C₂²⋊C₈	C₄×C₃₁	1	8	yes	complemented
139	C₂×C₂²⋊C₈	C₂²×C₃₁	1	4	yes	—
140	#380	—	2	2	no	—
141	#380	—	2	2	no	—
142	#380	C₂²×C₃₁	1	4	yes	—
143	#380	C₂²×C₃₁	1	4	yes	—
144	C₂×#95	—	2	2	no	—
145	#340	C₂²×C₃₁	1	8	yes	complemented
146	C₂×C₃₁	—	2	8	no	—
147	C₂×C₃₁	—	2	4	no	—
148	C₂×C₃₁	#2315	1	1	yes	characteristic
149	C₂×C₃₁	C₂²×#107	1	1	yes	characteristic
150	C₂×C₃₁	#2911	1	1	yes	characteristic
151	C₂×C₃₁	#3186	1	2	yes	—
152	C₂×C₃₁	#3189	1	2	yes	—
153	C₂⁵	D₄×C₃₁	1	1	yes	characteristic
154	C₂³×C₄	—	2	4	no	—
155	C₂³×C₄	—	4	4	no	—
156	C₂³×C₄	C₂×C₄×C₃₁	1	4	yes	—
157	C₂³×C₄	D₄×C₃₁	1	2	yes	—
158	C₂³×C₄	D₄×C₃₁	1	1	yes	characteristic
159	C₂³×C₄	Q₈×C₃₁	1	4	yes	—
160	C₂³×C₄	C₂³×C₃₁	1	2	yes	—
161	C₂³×C₄	C₂³×C₃₁	1	1	yes	characteristic
162	C₂²×C₈	—	4	4	no	—
163	C₂²×C₈	C₂×C₄×C₃₁	1	8	yes	complemented
164	C₂²×C₈	C₂³×C₃₁	1	4	yes	—
165	C₂×C₄⋊C₄	—	2	4	no	—
166	C₂×C₄⋊C₄	—	4	8	no	—
167	C₂×C₄⋊C₄	C₂³×C₃₁	1	8	yes	—
168	C₂×C₂²⋊C₄	—	2	4	no	—
169	C₂×C₂²⋊C₄	—	2	4	no	—
170	C₂×C₂²⋊C₄	—	4	8	no	—
171	#107	—	4	8	no	—
172	C₂²⋊C₈	C₂×C₄×C₃₁	1	16	yes	complemented
173	#95	—	2	4	no	—
174	#95	—	2	4	no	—
175	C₃₁	#21940	1	1	yes	characteristic, direct product factor, Sylow
176	C₂⁴	—	4	2	no	—
177	C₂⁴	—	4	2	no	—
178	C₂⁴	C₄⋊C₄×C₃₁	1	4	yes	—
179	C₂⁴	D₈×C₃₁	1	4	yes	—
180	C₂⁴	Q₁₆×C₃₁	1	4	yes	—
181	C₂⁴	C₂×D₄×C₃₁	1	1	yes	characteristic
182	C₂⁴	C₂×D₄×C₃₁	1	2	yes	—
183	C₂²×C₄	—	2	8	no	—
184	C₂²×C₄	—	2	4	no	—
185	C₂²×C₄	—	2	8	no	—
186	C₂²×C₄	—	4	8	no	—
187	C₂²×C₄	—	4	8	no	—
188	C₂²×C₄	—	4	2	no	—
189	C₂²×C₄	—	4	4	no	—
190	C₂²×C₄	—	4	8	no	—
191	C₂²×C₄	—	4	8	no	—
192	C₂²×C₄	—	4	8	no	—
193	C₂²×C₄	C₄⋊C₄×C₃₁	1	8	yes	—
194	C₂²×C₄	C₄⋊C₄×C₃₁	1	4	yes	—
195	C₂²×C₄	C₂²×C₄×C₃₁	1	4	yes	—
196	C₂²×C₄	C₂²×C₄×C₃₁	1	2	yes	—
197	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
198	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
199	C₂²×C₄	C₂×Q₈×C₃₁	1	4	yes	—
200	C₂²×C₄	C₂×Q₈×C₃₁	1	2	yes	—
201	C₂²×C₄	C₂⁴×C₃₁	1	1	yes	characteristic
202	C₂×C₈	—	2	8	no	—
203	C₂×C₈	—	4	8	no	—
204	C₂×C₈	C₂²×C₄×C₃₁	1	8	yes	—
205	C₄⋊C₄	—	2	16	no	—
206	C₄⋊C₄	—	4	8	no	—
207	C₂²⋊C₄	—	4	8	no	—
208	C₂²⋊C₄	—	4	8	no	—
209	C₂³	—	2	4	no	—
210	C₂³	—	2	2	no	—
211	C₂³	—	2	4	no	—
212	C₂³	—	2	2	no	—
213	C₂³	—	4	4	no	—
214	C₂³	—	4	4	no	—
215	C₂³	—	4	8	no	—
216	C₂³	—	4	8	no	—
217	C₂³	C₃₁×#107	1	16	yes	complemented
218	C₂³	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
219	C₂³	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
220	C₂³	C₂×D₈×C₃₁	1	2	yes	—
221	C₂³	C₂×D₈×C₃₁	1	4	yes	—
222	C₂³	C₂×Q₁₆×C₃₁	1	2	yes	—
223	C₂³	C₂×Q₁₆×C₃₁	1	4	yes	—
224	C₂³	C₂²×D₄×C₃₁	1	1	yes	characteristic
225	C₂×C₄	—	2	4	no	—
226	C₂×C₄	—	2	2	no	—
227	C₂×C₄	—	2	4	no	—
228	C₂×C₄	—	2	8	no	—
229	C₂×C₄	—	2	8	no	—
230	C₂×C₄	—	2	4	no	—
231	C₂×C₄	—	4	4	no	—
232	C₂×C₄	—	4	8	no	—
233	C₂×C₄	—	4	8	no	—
234	C₂×C₄	—	4	8	no	—
235	C₂×C₄	—	4	8	no	—
236	C₂×C₄	—	8	16	no	—
237	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
238	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
239	C₂×C₄	C₂³×C₄×C₃₁	1	1	yes	characteristic
240	C₂×C₄	C₂²×Q₈×C₃₁	1	1	yes	characteristic
241	C₂×C₄	C₃₁×H(5,𝔽₂)	1	4	yes	—
242	C₈	—	2	8	no	—
243	C₂²	—	2	2	no	—
244	C₂²	—	2	4	no	—
245	C₂²	—	2	4	no	—
246	C₂²	—	2	2	no	—
247	C₂²	—	2	8	no	—
248	C₂²	—	2	4	no	—
249	C₂²	—	2	8	no	—
250	C₂²	—	2	4	no	—
251	C₂²	—	4	16	no	—
252	C₂²	C₂×C₃₁×#107	1	4	yes	—
253	C₂²	C₂×C₃₁×#107	1	8	yes	—
254	C₂²	C₂²×C₄⋊C₄×C₃₁	1	1	yes	characteristic
255	C₂²	C₃₁×#534	1	2	yes	—
256	C₂²	C₂²×D₈×C₃₁	1	1	yes	characteristic
257	C₂²	C₂²×Q₁₆×C₃₁	1	1	yes	characteristic
258	C₂²	C₃₁×#575	1	2	yes	—
259	C₄	—	2	4	no	—
260	C₄	—	2	2	no	—
261	C₄	—	8	8	no	—
262	C₄	C₃₁×#518	1	2	yes	—
263	C₄	C₃₁×#543	1	2	yes	—
264	C₂	—	2	8	no	—
265	C₂	—	2	4	no	—
266	C₂	C₃₁×#2315	1	1	yes	characteristic
267	C₂	C₂²×C₃₁×#107	1	1	yes	characteristic
268	C₂	C₃₁×#2911	1	1	yes	characteristic
269	C₂	C₃₁×#3186	1	2	yes	—
270	C₂	C₃₁×#3189	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	C₂⁵×C₃₁	D₄
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₃₁ ◁ C₂⁴×C₄×C₃₁ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1852	C₂	semidirect
4. C₃₁×#1808	C₂	semidirect
9. C₂×C₃₁×#107	C₂²	semidirect
10. C₂×C₃₁×C₂²⋊C₈	C₄	semidirect
17. C₃₁×#340	C₂²	semidirect
28. C₂²×C₈×C₃₁	C₂×C₄	semidirect
37. C₃₁×C₂²⋊C₈	C₂×C₄	semidirect
73. #21940	C₃₁	direct (N × H)
82. C₂³×C₃₁	#107	semidirect
110. #1852	C₂×C₃₁	semidirect
111. #1808	C₂×C₃₁	semidirect
137. C₂×#107	C₂²×C₃₁	semidirect
138. C₂×C₂²⋊C₈	C₄×C₃₁	semidirect
145. #340	C₂²×C₃₁	semidirect
163. C₂²×C₈	C₂×C₄×C₃₁	semidirect
172. C₂²⋊C₈	C₂×C₄×C₃₁	semidirect
175. C₃₁	#21940	direct (N × H)
217. C₂³	C₃₁×#107	semidirect

Maximal subgroups

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

subgroup	index
C₂²×C₃₁×C₂²⋊C₈	2
C₂×C₃₁×#380	2
C₃₁×#1852	2
C₃₁×#1808	2
#21940	31

Subgroups — C31×#21940 #21478699

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#21940 #21478699