Subgroups — C₃₁×#21959 #21478718

Order 7936.

906 conjugacy classes of subgroups.

The subgroup lattice has 220 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₃₁×C₄⋊C₈	C₂	1	1	yes	maximal, characteristic
2	C₃₁×#2285	C₂	1	2	yes	maximal
3	C₃₁×#1948	C₂	1	8	yes	maximal, complemented
4	C₃₁×#1807	C₂	1	4	yes	maximal
5	C₂³×C₈×C₃₁	C₂²	1	2	yes	—
6	C₂×C₃₁×#117	—	2	2	no	—
7	C₂²×C₄²×C₃₁	C₂²	1	1	yes	characteristic
8	C₂×C₃₁×#106	C₂²	1	8	yes	—
9	C₂×C₃₁×C₄⋊C₈	C₄	1	8	yes	complemented
10	C₂×C₃₁×C₄⋊C₈	C₂²	1	4	yes	—
11	C₃₁×#384	C₂²	1	4	yes	—
12	C₃₁×#382	—	2	2	no	—
13	C₃₁×#380	—	2	2	no	—
14	C₃₁×#380	C₂²	1	4	yes	—
15	C₄×C₄⋊C₄×C₃₁	—	2	2	no	—
16	C₄×C₄⋊C₄×C₃₁	C₂²	1	4	yes	—
17	C₃₁×#340	C₂²	1	8	yes	—
18	C₂³×C₄×C₃₁	D₄	1	1	yes	characteristic
19	C₂³×C₄×C₃₁	D₄	1	1	yes	characteristic
20	C₂³×C₄×C₃₁	C₂³	1	1	yes	characteristic
21	C₂²×C₈×C₃₁	—	4	4	no	—
22	C₂²×C₈×C₃₁	C₂×C₄	1	8	yes	—
23	C₂²×C₈×C₃₁	C₂³	1	4	yes	—
24	C₃₁×#117	—	4	8	no	—
25	C₂×C₄⋊C₄×C₃₁	—	2	4	no	—
26	C₂×C₄⋊C₄×C₃₁	—	2	4	no	—
27	C₂×C₄⋊C₄×C₃₁	C₂³	1	8	yes	—
28	C₂×C₂²⋊C₄×C₃₁	—	2	4	no	—
29	C₂×C₄²×C₃₁	—	2	4	no	—
30	C₂×C₄²×C₃₁	C₂×C₄	1	4	yes	—
31	C₂×C₄²×C₃₁	D₄	1	2	yes	—
32	C₂×C₄²×C₃₁	Q₈	1	4	yes	—
33	C₂×C₄²×C₃₁	C₂³	1	2	yes	—
34	C₃₁×#106	—	4	8	no	—
35	C₃₁×C₄⋊C₈	C₂×C₄	1	16	yes	—
36	C₃₁×#95	—	2	4	no	—
37	C₃₁×#95	—	2	4	no	—
38	C₂⁴×C₃₁	C₂×D₄	1	1	yes	characteristic
39	C₂²×C₄×C₃₁	—	2	2	no	—
40	C₂²×C₄×C₃₁	—	2	2	no	—
41	C₂²×C₄×C₃₁	—	2	8	no	—
42	C₂²×C₄×C₃₁	—	4	2	no	—
43	C₂²×C₄×C₃₁	C₄⋊C₄	1	4	yes	—
44	C₂²×C₄×C₃₁	C₄⋊C₄	1	4	yes	—
45	C₂²×C₄×C₃₁	SD₁₆	1	8	yes	—
46	C₂²×C₄×C₃₁	C₂²×C₄	1	2	yes	—
47	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
48	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
49	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
50	C₂²×C₄×C₃₁	C₂×Q₈	1	2	yes	—
51	C₂²×C₄×C₃₁	C₂⁴	1	1	yes	characteristic
52	C₂×C₈×C₃₁	—	2	8	no	—
53	C₂×C₈×C₃₁	—	4	8	no	—
54	C₂×C₈×C₃₁	C₂²×C₄	1	8	yes	—
55	C₄⋊C₄×C₃₁	—	2	8	no	—
56	C₄⋊C₄×C₃₁	—	2	8	no	—
57	C₄⋊C₄×C₃₁	—	4	8	no	—
58	C₄⋊C₄×C₃₁	—	4	8	no	—
59	C₂²⋊C₄×C₃₁	—	4	8	no	—
60	C₄²×C₃₁	—	4	8	no	—
61	C₄²×C₃₁	C₄⋊C₄	1	8	yes	—
62	C₄²×C₃₁	C₂²×C₄	1	4	yes	—
63	C₄²×C₃₁	C₂×Q₈	1	4	yes	—
64	#21959	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
65	C₂³×C₃₁	—	2	2	no	—
66	C₂³×C₃₁	—	2	2	no	—
67	C₂³×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
68	C₂³×C₃₁	C₂×SD₁₆	1	4	yes	—
69	C₂³×C₃₁	C₂²×D₄	1	1	yes	characteristic
70	C₂×C₄×C₃₁	—	2	2	no	—
71	C₂×C₄×C₃₁	—	2	4	no	—
72	C₂×C₄×C₃₁	—	2	2	no	—
73	C₂×C₄×C₃₁	—	2	2	no	—
74	C₂×C₄×C₃₁	—	2	4	no	—
75	C₂×C₄×C₃₁	—	4	4	no	—
76	C₂×C₄×C₃₁	—	4	8	no	—
77	C₂×C₄×C₃₁	—	4	8	no	—
78	C₂×C₄×C₃₁	—	4	8	no	—
79	C₂×C₄×C₃₁	#106	1	16	yes	complemented
80	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
81	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
82	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	4	yes	—
83	C₂×C₄×C₃₁	C₂×SD₁₆	1	4	yes	—
84	C₂×C₄×C₃₁	C₂×SD₁₆	1	4	yes	—
85	C₂×C₄×C₃₁	C₂³×C₄	1	1	yes	characteristic
86	C₂×C₄×C₃₁	C₂²×Q₈	1	1	yes	characteristic
87	C₂×C₄×C₃₁	H(5,𝔽₂)	1	2	yes	—
88	C₂×C₄×C₃₁	2₋¹⁺⁴	1	2	yes	—
89	C₈×C₃₁	—	2	8	no	—
90	C₂²×C₄⋊C₈	C₂×C₃₁	1	1	yes	characteristic
91	#2285	C₂×C₃₁	1	2	yes	—
92	#1948	C₂×C₃₁	1	8	yes	complemented
93	#1807	C₂×C₃₁	1	4	yes	—
94	C₂²×C₃₁	—	2	2	no	—
95	C₂²×C₃₁	—	2	2	no	—
96	C₂²×C₃₁	—	2	8	no	—
97	C₂²×C₃₁	C₂×#106	1	4	yes	—
98	C₂²×C₃₁	C₂²×C₄⋊C₄	1	1	yes	characteristic
99	C₂²×C₃₁	#537	1	2	yes	—
100	C₂²×C₃₁	C₂²×SD₁₆	1	2	yes	—
101	C₂²×C₃₁	#575	1	2	yes	—
102	C₄×C₃₁	—	2	2	no	—
103	C₄×C₃₁	—	2	4	no	—
104	C₄×C₃₁	—	8	8	no	—
105	C₄×C₃₁	C₂×#106	1	8	yes	—
106	C₄×C₃₁	#518	1	1	yes	characteristic
107	C₄×C₃₁	#519	1	1	yes	characteristic
108	C₄×C₃₁	#544	1	2	yes	—
109	C₂³×C₈	C₂²×C₃₁	1	2	yes	—
110	C₂×#117	—	2	2	no	—
111	C₂²×C₄²	C₂²×C₃₁	1	1	yes	characteristic
112	C₂×#106	C₂²×C₃₁	1	8	yes	—
113	C₂×C₄⋊C₈	C₄×C₃₁	1	8	yes	complemented
114	C₂×C₄⋊C₈	C₂²×C₃₁	1	4	yes	—
115	#384	C₂²×C₃₁	1	4	yes	—
116	#382	—	2	2	no	—
117	#380	—	2	2	no	—
118	#380	C₂²×C₃₁	1	4	yes	—
119	C₄×C₄⋊C₄	—	2	2	no	—
120	C₄×C₄⋊C₄	C₂²×C₃₁	1	4	yes	—
121	#340	C₂²×C₃₁	1	8	yes	—
122	C₂×C₃₁	—	2	4	no	—
123	C₂×C₃₁	#2316	1	1	yes	characteristic
124	C₂×C₃₁	C₂²×#106	1	1	yes	characteristic
125	C₂×C₃₁	#2911	1	1	yes	characteristic
126	C₂×C₃₁	#3246	1	4	yes	—
127	C₂³×C₄	D₄×C₃₁	1	1	yes	characteristic
128	C₂³×C₄	D₄×C₃₁	1	1	yes	characteristic
129	C₂³×C₄	C₂³×C₃₁	1	1	yes	characteristic
130	C₂²×C₈	—	4	4	no	—
131	C₂²×C₈	C₂×C₄×C₃₁	1	8	yes	—
132	C₂²×C₈	C₂³×C₃₁	1	4	yes	—
133	#117	—	4	8	no	—
134	C₂×C₄⋊C₄	—	2	4	no	—
135	C₂×C₄⋊C₄	—	2	4	no	—
136	C₂×C₄⋊C₄	C₂³×C₃₁	1	8	yes	—
137	C₂×C₂²⋊C₄	—	2	4	no	—
138	C₂×C₄²	—	2	4	no	—
139	C₂×C₄²	C₂×C₄×C₃₁	1	4	yes	—
140	C₂×C₄²	D₄×C₃₁	1	2	yes	—
141	C₂×C₄²	Q₈×C₃₁	1	4	yes	—
142	C₂×C₄²	C₂³×C₃₁	1	2	yes	—
143	#106	—	4	8	no	—
144	C₄⋊C₈	C₂×C₄×C₃₁	1	16	yes	—
145	#95	—	2	4	no	—
146	#95	—	2	4	no	—
147	C₃₁	#21959	1	1	yes	characteristic, direct product factor, Sylow
148	C₂⁴	C₂×D₄×C₃₁	1	1	yes	characteristic
149	C₂²×C₄	—	2	2	no	—
150	C₂²×C₄	—	2	2	no	—
151	C₂²×C₄	—	2	8	no	—
152	C₂²×C₄	—	4	2	no	—
153	C₂²×C₄	C₄⋊C₄×C₃₁	1	4	yes	—
154	C₂²×C₄	C₄⋊C₄×C₃₁	1	4	yes	—
155	C₂²×C₄	SD₁₆×C₃₁	1	8	yes	—
156	C₂²×C₄	C₂²×C₄×C₃₁	1	2	yes	—
157	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
158	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
159	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
160	C₂²×C₄	C₂×Q₈×C₃₁	1	2	yes	—
161	C₂²×C₄	C₂⁴×C₃₁	1	1	yes	characteristic
162	C₂×C₈	—	2	8	no	—
163	C₂×C₈	—	4	8	no	—
164	C₂×C₈	C₂²×C₄×C₃₁	1	8	yes	—
165	C₄⋊C₄	—	2	8	no	—
166	C₄⋊C₄	—	2	8	no	—
167	C₄⋊C₄	—	4	8	no	—
168	C₄⋊C₄	—	4	8	no	—
169	C₂²⋊C₄	—	4	8	no	—
170	C₄²	—	4	8	no	—
171	C₄²	C₄⋊C₄×C₃₁	1	8	yes	—
172	C₄²	C₂²×C₄×C₃₁	1	4	yes	—
173	C₄²	C₂×Q₈×C₃₁	1	4	yes	—
174	C₂³	—	2	2	no	—
175	C₂³	—	2	2	no	—
176	C₂³	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
177	C₂³	C₂×SD₁₆×C₃₁	1	4	yes	—
178	C₂³	C₂²×D₄×C₃₁	1	1	yes	characteristic
179	C₂×C₄	—	2	2	no	—
180	C₂×C₄	—	2	4	no	—
181	C₂×C₄	—	2	2	no	—
182	C₂×C₄	—	2	2	no	—
183	C₂×C₄	—	2	4	no	—
184	C₂×C₄	—	4	4	no	—
185	C₂×C₄	—	4	8	no	—
186	C₂×C₄	—	4	8	no	—
187	C₂×C₄	—	4	8	no	—
188	C₂×C₄	C₃₁×#106	1	16	yes	complemented
189	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
190	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
191	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	4	yes	—
192	C₂×C₄	C₂×SD₁₆×C₃₁	1	4	yes	—
193	C₂×C₄	C₂×SD₁₆×C₃₁	1	4	yes	—
194	C₂×C₄	C₂³×C₄×C₃₁	1	1	yes	characteristic
195	C₂×C₄	C₂²×Q₈×C₃₁	1	1	yes	characteristic
196	C₂×C₄	C₃₁×H(5,𝔽₂)	1	2	yes	—
197	C₂×C₄	C₃₁×2₋¹⁺⁴	1	2	yes	—
198	C₈	—	2	8	no	—
199	C₂²	—	2	2	no	—
200	C₂²	—	2	2	no	—
201	C₂²	—	2	8	no	—
202	C₂²	C₂×C₃₁×#106	1	4	yes	—
203	C₂²	C₂²×C₄⋊C₄×C₃₁	1	1	yes	characteristic
204	C₂²	C₃₁×#537	1	2	yes	—
205	C₂²	C₂²×SD₁₆×C₃₁	1	2	yes	—
206	C₂²	C₃₁×#575	1	2	yes	—
207	C₄	—	2	2	no	—
208	C₄	—	2	4	no	—
209	C₄	—	8	8	no	—
210	C₄	C₂×C₃₁×#106	1	8	yes	—
211	C₄	C₃₁×#518	1	1	yes	characteristic
212	C₄	C₃₁×#519	1	1	yes	characteristic
213	C₄	C₃₁×#544	1	2	yes	—
214	C₂	—	2	4	no	—
215	C₂	C₃₁×#2316	1	1	yes	characteristic
216	C₂	C₂²×C₃₁×#106	1	1	yes	characteristic
217	C₂	C₃₁×#2911	1	1	yes	characteristic
218	C₂	C₃₁×#3246	1	4	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 ◁ C₂²×C₄²×C₃₁ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1948	C₂	semidirect
9. C₂×C₃₁×C₄⋊C₈	C₄	semidirect
64. #21959	C₃₁	direct (N × H)
79. C₂×C₄×C₃₁	#106	semidirect
92. #1948	C₂×C₃₁	semidirect
113. C₂×C₄⋊C₈	C₄×C₃₁	semidirect
147. C₃₁	#21959	direct (N × H)
188. C₂×C₄	C₃₁×#106	semidirect

Maximal subgroups

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

subgroup	index
C₂²×C₃₁×C₄⋊C₈	2
C₃₁×#2285	2
C₃₁×#1948	2
C₃₁×#1807	2
#21959	31

Subgroups — C31×#21959 #21478718

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#21959 #21478718