Subgroups — C₃₁×#20791 #21477550

Order 7936.

1350 conjugacy classes of subgroups.

The subgroup lattice has 138 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₃₁×#423	C₂	1	6	yes	maximal
2	C₂×C₄³×C₃₁	C₂	1	1	yes	maximal, characteristic
3	C₃₁×#1842	C₂	1	8	yes	maximal, complemented
4	C₂²×M₁₆×C₃₁	C₂²	1	4	yes	—
5	C₂²×C₄²×C₃₁	C₄	1	4	yes	—
6	C₂²×C₄²×C₃₁	C₂²	1	3	yes	—
7	C₃₁×#423	—	2	24	no	—
8	C₂×C₃₁×C₄⋊C₈	C₂²	1	24	yes	—
9	C₄³×C₃₁	C₄	1	3	yes	—
10	C₄³×C₃₁	C₄	1	1	yes	characteristic
11	C₄³×C₃₁	C₂²	1	4	yes	—
12	C₂³×C₄×C₃₁	C₂×C₄	1	6	yes	—
13	C₂³×C₄×C₃₁	C₂³	1	1	yes	characteristic
14	C₂×M₁₆×C₃₁	—	2	24	no	—
15	C₂²×C₈×C₃₁	C₂³	1	8	yes	—
16	C₂×C₄²×C₃₁	—	2	16	no	—
17	C₂×C₄²×C₃₁	C₂×C₄	1	12	yes	—
18	C₂×C₄²×C₃₁	C₂×C₄	1	3	yes	—
19	C₂×C₄²×C₃₁	C₂×C₄	1	3	yes	—
20	C₂×C₄²×C₃₁	C₂×C₄	1	4	yes	—
21	C₂×C₄²×C₃₁	D₄	1	12	yes	—
22	C₂×C₄²×C₃₁	Q₈	1	12	yes	—
23	C₂×C₄²×C₃₁	C₂³	1	6	yes	—
24	C₃₁×C₄⋊C₈	—	2	48	no	—
25	C₂⁴×C₃₁	C₂²×C₄	1	1	yes	characteristic
26	C₂²×C₄×C₃₁	—	2	24	no	—
27	C₂²×C₄×C₃₁	C₄⋊C₄	1	24	yes	—
28	C₂²×C₄×C₃₁	C₂²×C₄	1	6	yes	—
29	C₂²×C₄×C₃₁	C₂²×C₄	1	1	yes	characteristic
30	C₂²×C₄×C₃₁	C₂²×C₄	1	6	yes	—
31	C₂²×C₄×C₃₁	C₂×D₄	1	6	yes	—
32	C₂²×C₄×C₃₁	C₂×Q₈	1	6	yes	—
33	C₂²×C₄×C₃₁	C₂⁴	1	1	yes	characteristic
34	M₁₆×C₃₁	—	4	16	no	—
35	C₂×C₈×C₃₁	—	2	24	no	—
36	C₄²×C₃₁	—	2	24	no	—
37	C₄²×C₃₁	C₄⋊C₄	1	12	yes	—
38	C₄²×C₃₁	C₄⋊C₄	1	12	yes	—
39	C₄²×C₃₁	M₁₆	1	16	yes	complemented
40	C₄²×C₃₁	C₂×D₄	1	12	yes	—
41	C₄²×C₃₁	C₂×Q₈	1	12	yes	—
42	#20791	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
43	C₂³×C₃₁	—	2	4	no	—
44	C₂³×C₃₁	C₂×C₄⋊C₄	1	6	yes	—
45	C₂³×C₃₁	C₂³×C₄	1	1	yes	characteristic
46	C₂×C₄×C₃₁	—	2	12	no	—
47	C₂×C₄×C₃₁	—	2	48	no	—
48	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	12	yes	—
49	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	6	yes	—
50	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	12	yes	—
51	C₂×C₄×C₃₁	#127	1	4	yes	—
52	C₂×C₄×C₃₁	C₄⋊Q₈	1	12	yes	—
53	C₂×C₄×C₃₁	C₂×M₁₆	1	24	yes	—
54	C₂×C₄×C₃₁	C₂²×D₄	1	3	yes	—
55	C₂×C₄×C₃₁	C₂²×Q₈	1	3	yes	—
56	C₈×C₃₁	—	4	8	no	—
57	C₂×#423	C₂×C₃₁	1	6	yes	—
58	C₂×C₄³	C₂×C₃₁	1	1	yes	characteristic
59	#1842	C₂×C₃₁	1	8	yes	complemented
60	C₂²×C₃₁	—	2	12	no	—
61	C₂²×C₃₁	#384	1	4	yes	—
62	C₂²×C₃₁	C₂²×C₄⋊C₄	1	3	yes	—
63	C₂²×C₃₁	C₂²×M₁₆	1	4	yes	—
64	C₄×C₃₁	—	2	12	no	—
65	C₄×C₃₁	#384	1	4	yes	—
66	C₄×C₃₁	#423	1	24	yes	complemented
67	C₄×C₃₁	C₂×#127	1	1	yes	characteristic
68	C₄×C₃₁	C₂×C₄⋊Q₈	1	3	yes	—
69	C₂²×M₁₆	C₂²×C₃₁	1	4	yes	—
70	C₂²×C₄²	C₄×C₃₁	1	4	yes	—
71	C₂²×C₄²	C₂²×C₃₁	1	3	yes	—
72	#423	—	2	24	no	—
73	C₂×C₄⋊C₈	C₂²×C₃₁	1	24	yes	—
74	C₄³	C₄×C₃₁	1	3	yes	—
75	C₄³	C₄×C₃₁	1	1	yes	characteristic
76	C₄³	C₂²×C₃₁	1	4	yes	—
77	C₂×C₃₁	—	2	4	no	—
78	C₂×C₃₁	C₂×#384	1	1	yes	characteristic
79	C₂×C₃₁	C₂×#423	1	6	yes	—
80	C₂³×C₄	C₂×C₄×C₃₁	1	6	yes	—
81	C₂³×C₄	C₂³×C₃₁	1	1	yes	characteristic
82	C₂×M₁₆	—	2	24	no	—
83	C₂²×C₈	C₂³×C₃₁	1	8	yes	—
84	C₂×C₄²	—	2	16	no	—
85	C₂×C₄²	C₂×C₄×C₃₁	1	12	yes	—
86	C₂×C₄²	C₂×C₄×C₃₁	1	3	yes	—
87	C₂×C₄²	C₂×C₄×C₃₁	1	3	yes	—
88	C₂×C₄²	C₂×C₄×C₃₁	1	4	yes	—
89	C₂×C₄²	D₄×C₃₁	1	12	yes	—
90	C₂×C₄²	Q₈×C₃₁	1	12	yes	—
91	C₂×C₄²	C₂³×C₃₁	1	6	yes	—
92	C₄⋊C₈	—	2	48	no	—
93	C₃₁	#20791	1	1	yes	characteristic, direct product factor, Sylow
94	C₂⁴	C₂²×C₄×C₃₁	1	1	yes	characteristic
95	C₂²×C₄	—	2	24	no	—
96	C₂²×C₄	C₄⋊C₄×C₃₁	1	24	yes	—
97	C₂²×C₄	C₂²×C₄×C₃₁	1	6	yes	—
98	C₂²×C₄	C₂²×C₄×C₃₁	1	1	yes	characteristic
99	C₂²×C₄	C₂²×C₄×C₃₁	1	6	yes	—
100	C₂²×C₄	C₂×D₄×C₃₁	1	6	yes	—
101	C₂²×C₄	C₂×Q₈×C₃₁	1	6	yes	—
102	C₂²×C₄	C₂⁴×C₃₁	1	1	yes	characteristic
103	M₁₆	—	4	16	no	—
104	C₂×C₈	—	2	24	no	—
105	C₄²	—	2	24	no	—
106	C₄²	C₄⋊C₄×C₃₁	1	12	yes	—
107	C₄²	C₄⋊C₄×C₃₁	1	12	yes	—
108	C₄²	M₁₆×C₃₁	1	16	yes	complemented
109	C₄²	C₂×D₄×C₃₁	1	12	yes	—
110	C₄²	C₂×Q₈×C₃₁	1	12	yes	—
111	C₂³	—	2	4	no	—
112	C₂³	C₂×C₄⋊C₄×C₃₁	1	6	yes	—
113	C₂³	C₂³×C₄×C₃₁	1	1	yes	characteristic
114	C₂×C₄	—	2	12	no	—
115	C₂×C₄	—	2	48	no	—
116	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	12	yes	—
117	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	12	yes	—
118	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	6	yes	—
119	C₂×C₄	C₃₁×#127	1	4	yes	—
120	C₂×C₄	C₃₁×C₄⋊Q₈	1	12	yes	—
121	C₂×C₄	C₂×M₁₆×C₃₁	1	24	yes	—
122	C₂×C₄	C₂²×D₄×C₃₁	1	3	yes	—
123	C₂×C₄	C₂²×Q₈×C₃₁	1	3	yes	—
124	C₈	—	4	8	no	—
125	C₂²	—	2	12	no	—
126	C₂²	C₃₁×#384	1	4	yes	—
127	C₂²	C₂²×C₄⋊C₄×C₃₁	1	3	yes	—
128	C₂²	C₂²×M₁₆×C₃₁	1	4	yes	—
129	C₄	—	2	12	no	—
130	C₄	C₃₁×#384	1	4	yes	—
131	C₄	C₃₁×#423	1	24	yes	complemented
132	C₄	C₂×C₃₁×#127	1	1	yes	characteristic
133	C₄	C₂×C₃₁×C₄⋊Q₈	1	3	yes	—
134	C₂	—	2	4	no	—
135	C₂	C₂×C₃₁×#384	1	1	yes	characteristic
136	C₂	C₂×C₃₁×#423	1	6	yes	—

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

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1842	C₂	semidirect
39. C₄²×C₃₁	M₁₆	semidirect
42. #20791	C₃₁	direct (N × H)
59. #1842	C₂×C₃₁	semidirect
66. C₄×C₃₁	#423	semidirect
93. C₃₁	#20791	direct (N × H)
108. C₄²	M₁₆×C₃₁	semidirect
131. C₄	C₃₁×#423	semidirect

Maximal subgroups

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

subgroup	index
C₂×C₃₁×#423	2
C₂×C₄³×C₃₁	2
C₃₁×#1842	2
#20791	31

Subgroups — C31×#20791 #21477550

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#20791 #21477550