Subgroups — C₃₁×#21971 #21478730

Order 7936.

662 conjugacy classes of subgroups.

The subgroup lattice has 188 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₃₁×#2921	C₂	1	2	yes	maximal
2	C₂×C₃₁×#424	C₂	1	1	yes	maximal, characteristic
3	C₃₁×#1950	C₂	1	8	yes	maximal, complemented
4	C₃₁×#1811	C₂	1	2	yes	maximal
5	C₃₁×#1810	C₂	1	2	yes	maximal
6	C₂²×M₁₆×C₃₁	C₂²	1	1	yes	characteristic
7	C₂³×C₈×C₃₁	C₂²	1	1	yes	characteristic
8	C₂×C₃₁×#117	C₂²	1	1	yes	characteristic
9	C₃₁×#433	—	2	8	no	—
10	C₂×C₃₁×#108	C₂²	1	4	yes	—
11	C₂×C₃₁×#108	C₂²	1	4	yes	—
12	C₃₁×#424	C₄	1	8	yes	—
13	C₃₁×#423	C₂²	1	4	yes	—
14	C₂×C₃₁×C₄⋊C₈	C₂²	1	4	yes	—
15	C₃₁×#407	C₂²	1	4	yes	—
16	C₄×M₁₆×C₃₁	C₂²	1	4	yes	—
17	C₃₁×#341	C₂²	1	4	yes	—
18	C₃₁×#341	C₂²	1	4	yes	—
19	C₂³×C₄×C₃₁	C₂³	1	1	yes	characteristic
20	C₂×M₁₆×C₃₁	—	4	2	no	—
21	C₂×M₁₆×C₃₁	C₂×C₄	1	4	yes	—
22	C₂×M₁₆×C₃₁	C₂³	1	8	yes	—
23	C₂²×C₈×C₃₁	—	4	2	no	—
24	C₂²×C₈×C₃₁	C₂×C₄	1	4	yes	—
25	C₂²×C₈×C₃₁	C₂³	1	2	yes	—
26	C₂²×C₈×C₃₁	C₂³	1	2	yes	—
27	C₃₁×#117	C₂×C₄	1	4	yes	—
28	C₃₁×#117	D₄	1	4	yes	—
29	C₂×C₄⋊C₄×C₃₁	Q₈	1	2	yes	—
30	C₂×C₂²⋊C₄×C₃₁	Q₈	1	2	yes	—
31	C₂×C₄²×C₃₁	C₂³	1	2	yes	—
32	C₃₁×#108	—	4	4	no	—
33	C₃₁×#108	—	4	4	no	—
34	C₃₁×C₄⋊C₈	—	2	8	no	—
35	C₃₁×C₄⋊C₈	C₂×C₄	1	16	yes	—
36	C₃₁×C₂²⋊C₈	—	2	8	no	—
37	C₃₁×#97	—	2	4	no	—
38	C₄×C₈×C₃₁	—	2	4	no	—
39	C₂⁴×C₃₁	C₂×Q₈	1	1	yes	characteristic
40	C₂²×C₄×C₃₁	—	2	2	no	—
41	C₂²×C₄×C₃₁	—	2	2	no	—
42	C₂²×C₄×C₃₁	C₂²×C₄	1	2	yes	—
43	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
44	C₂²×C₄×C₃₁	C₂×Q₈	1	1	yes	characteristic
45	C₂²×C₄×C₃₁	C₂×Q₈	1	4	yes	—
46	C₂²×C₄×C₃₁	C₂⁴	1	1	yes	characteristic
47	M₁₆×C₃₁	—	2	8	no	—
48	M₁₆×C₃₁	—	2	8	no	—
49	M₁₆×C₃₁	—	4	4	no	—
50	C₂×C₈×C₃₁	—	2	4	no	—
51	C₂×C₈×C₃₁	—	2	4	no	—
52	C₂×C₈×C₃₁	—	2	8	no	—
53	C₂×C₈×C₃₁	—	4	4	no	—
54	C₂×C₈×C₃₁	C₂²×C₄	1	4	yes	—
55	C₂×C₈×C₃₁	C₂²×C₄	1	4	yes	—
56	C₄⋊C₄×C₃₁	C₄⋊C₄	1	8	yes	—
57	C₂²⋊C₄×C₃₁	C₄⋊C₄	1	8	yes	—
58	C₄²×C₃₁	C₂²×C₄	1	4	yes	—
59	C₄²×C₃₁	C₂×D₄	1	4	yes	—
60	#21971	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
61	C₂³×C₃₁	—	2	2	no	—
62	C₂³×C₃₁	—	4	2	no	—
63	C₂³×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
64	C₂³×C₃₁	C₂²×Q₈	1	1	yes	characteristic
65	C₂×C₄×C₃₁	—	2	2	no	—
66	C₂×C₄×C₃₁	—	2	2	no	—
67	C₂×C₄×C₃₁	—	2	2	no	—
68	C₂×C₄×C₃₁	—	2	4	no	—
69	C₂×C₄×C₃₁	—	4	4	no	—
70	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	8	yes	—
71	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
72	C₂×C₄×C₃₁	C₂³×C₄	1	1	yes	characteristic
73	C₂×C₄×C₃₁	C₂²×D₄	1	1	yes	characteristic
74	C₂×C₄×C₃₁	H(5,𝔽₂)	1	2	yes	—
75	C₂×C₄×C₃₁	2₋¹⁺⁴	1	2	yes	—
76	C₈×C₃₁	—	2	4	no	—
77	C₈×C₃₁	—	2	4	no	—
78	C₈×C₃₁	—	4	8	no	—
79	#2921	C₂×C₃₁	1	2	yes	—
80	C₂×#424	C₂×C₃₁	1	1	yes	characteristic
81	#1950	C₂×C₃₁	1	8	yes	complemented
82	#1811	C₂×C₃₁	1	2	yes	—
83	#1810	C₂×C₃₁	1	2	yes	—
84	C₂²×C₃₁	—	2	2	no	—
85	C₂²×C₃₁	—	2	2	no	—
86	C₂²×C₃₁	—	2	4	no	—
87	C₂²×C₃₁	—	4	4	no	—
88	C₂²×C₃₁	C₂²×C₄⋊C₄	1	1	yes	characteristic
89	C₂²×C₃₁	#544	1	2	yes	—
90	C₄×C₃₁	—	2	2	no	—
91	C₄×C₃₁	—	2	8	no	—
92	C₄×C₃₁	#518	1	1	yes	characteristic
93	C₄×C₃₁	#519	1	1	yes	characteristic
94	C₄×C₃₁	#537	1	2	yes	—
95	C₂²×M₁₆	C₂²×C₃₁	1	1	yes	characteristic
96	C₂³×C₈	C₂²×C₃₁	1	1	yes	characteristic
97	C₂×#117	C₂²×C₃₁	1	1	yes	characteristic
98	#433	—	2	8	no	—
99	C₂×#108	C₂²×C₃₁	1	4	yes	—
100	C₂×#108	C₂²×C₃₁	1	4	yes	—
101	#424	C₄×C₃₁	1	8	yes	—
102	#423	C₂²×C₃₁	1	4	yes	—
103	C₂×C₄⋊C₈	C₂²×C₃₁	1	4	yes	—
104	#407	C₂²×C₃₁	1	4	yes	—
105	C₄×M₁₆	C₂²×C₃₁	1	4	yes	—
106	#341	C₂²×C₃₁	1	4	yes	—
107	#341	C₂²×C₃₁	1	4	yes	—
108	C₂×C₃₁	—	2	2	no	—
109	C₂×C₃₁	—	4	2	no	—
110	C₂×C₃₁	#2316	1	1	yes	characteristic
111	C₂×C₃₁	#2916	1	2	yes	—
112	C₂³×C₄	C₂³×C₃₁	1	1	yes	characteristic
113	C₂×M₁₆	—	4	2	no	—
114	C₂×M₁₆	C₂×C₄×C₃₁	1	4	yes	—
115	C₂×M₁₆	C₂³×C₃₁	1	8	yes	—
116	C₂²×C₈	—	4	2	no	—
117	C₂²×C₈	C₂×C₄×C₃₁	1	4	yes	—
118	C₂²×C₈	C₂³×C₃₁	1	2	yes	—
119	C₂²×C₈	C₂³×C₃₁	1	2	yes	—
120	#117	C₂×C₄×C₃₁	1	4	yes	—
121	#117	D₄×C₃₁	1	4	yes	—
122	C₂×C₄⋊C₄	Q₈×C₃₁	1	2	yes	—
123	C₂×C₂²⋊C₄	Q₈×C₃₁	1	2	yes	—
124	C₂×C₄²	C₂³×C₃₁	1	2	yes	—
125	#108	—	4	4	no	—
126	#108	—	4	4	no	—
127	C₄⋊C₈	—	2	8	no	—
128	C₄⋊C₈	C₂×C₄×C₃₁	1	16	yes	—
129	C₂²⋊C₈	—	2	8	no	—
130	#97	—	2	4	no	—
131	C₄×C₈	—	2	4	no	—
132	C₃₁	#21971	1	1	yes	characteristic, direct product factor, Sylow
133	C₂⁴	C₂×Q₈×C₃₁	1	1	yes	characteristic
134	C₂²×C₄	—	2	2	no	—
135	C₂²×C₄	—	2	2	no	—
136	C₂²×C₄	C₂²×C₄×C₃₁	1	2	yes	—
137	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
138	C₂²×C₄	C₂×Q₈×C₃₁	1	1	yes	characteristic
139	C₂²×C₄	C₂×Q₈×C₃₁	1	4	yes	—
140	C₂²×C₄	C₂⁴×C₃₁	1	1	yes	characteristic
141	M₁₆	—	2	8	no	—
142	M₁₆	—	2	8	no	—
143	M₁₆	—	4	4	no	—
144	C₂×C₈	—	2	4	no	—
145	C₂×C₈	—	2	4	no	—
146	C₂×C₈	—	2	8	no	—
147	C₂×C₈	—	4	4	no	—
148	C₂×C₈	C₂²×C₄×C₃₁	1	4	yes	—
149	C₂×C₈	C₂²×C₄×C₃₁	1	4	yes	—
150	C₄⋊C₄	C₄⋊C₄×C₃₁	1	8	yes	—
151	C₂²⋊C₄	C₄⋊C₄×C₃₁	1	8	yes	—
152	C₄²	C₂²×C₄×C₃₁	1	4	yes	—
153	C₄²	C₂×D₄×C₃₁	1	4	yes	—
154	C₂³	—	2	2	no	—
155	C₂³	—	4	2	no	—
156	C₂³	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
157	C₂³	C₂²×Q₈×C₃₁	1	1	yes	characteristic
158	C₂×C₄	—	2	2	no	—
159	C₂×C₄	—	2	2	no	—
160	C₂×C₄	—	2	2	no	—
161	C₂×C₄	—	2	4	no	—
162	C₂×C₄	—	4	4	no	—
163	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	8	yes	—
164	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
165	C₂×C₄	C₂³×C₄×C₃₁	1	1	yes	characteristic
166	C₂×C₄	C₂²×D₄×C₃₁	1	1	yes	characteristic
167	C₂×C₄	C₃₁×H(5,𝔽₂)	1	2	yes	—
168	C₂×C₄	C₃₁×2₋¹⁺⁴	1	2	yes	—
169	C₈	—	2	4	no	—
170	C₈	—	2	4	no	—
171	C₈	—	4	8	no	—
172	C₂²	—	2	2	no	—
173	C₂²	—	2	2	no	—
174	C₂²	—	2	4	no	—
175	C₂²	—	4	4	no	—
176	C₂²	C₂²×C₄⋊C₄×C₃₁	1	1	yes	characteristic
177	C₂²	C₃₁×#544	1	2	yes	—
178	C₄	—	2	2	no	—
179	C₄	—	2	8	no	—
180	C₄	C₃₁×#518	1	1	yes	characteristic
181	C₄	C₃₁×#519	1	1	yes	characteristic
182	C₄	C₃₁×#537	1	2	yes	—
183	C₂	—	2	2	no	—
184	C₂	—	4	2	no	—
185	C₂	C₃₁×#2316	1	1	yes	characteristic
186	C₂	C₃₁×#2916	1	2	yes	—

	subgroup	G/H
center	C₂×C₄×C₃₁	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₃₁
Frattini, cosocle	C₂²×C₄	C₂⁴×C₃₁
socle	C₂²×C₃₁	C₂²×C₄⋊C₄
prime radical	C₂⁴×C₃₁	C₂×Q₈
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄×C₃₁ ◁ C₂×C₃₁×#117 ◁ G

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1950	C₂	semidirect
60. #21971	C₃₁	direct (N × H)
81. #1950	C₂×C₃₁	semidirect
132. C₃₁	#21971	direct (N × H)

Maximal subgroups

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

subgroup	index
C₃₁×#2921	2
C₂×C₃₁×#424	2
C₃₁×#1950	2
C₃₁×#1811	2
C₃₁×#1810	2
#21971	31

Subgroups — C31×#21971 #21478730

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#21971 #21478730