Subgroups — #31801037

Order 17728.

122 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#17984572	C₂	1	2	yes	maximal, complemented
2	C₄⋊#14555667	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂²⋊#14555667	C₂	1	2	yes	maximal, complemented
4	C₄×#14555667	C₂	1	1	yes	maximal, characteristic, complemented
5	D₄×Dic₂₇₇	C₂	1	1	yes	maximal, characteristic
6	#17984572	—	2	4	no	—
7	C₂×#14555667	C₂²	1	1	yes	characteristic
8	C₂×#14555667	C₂²	1	2	yes	—
9	C₂×#14555667	C₂²	1	1	yes	characteristic
10	C₂²×Dic₂₇₇	C₂²	1	2	yes	—
11	C₄⋊Dic₂₇₇	C₄	1	1	yes	characteristic
12	C₂²⋊Dic₂₇₇	C₄	1	2	yes	—
13	C₄×Dic₂₇₇	C₂²	1	1	yes	characteristic
14	C₂×D₄×C₂₇₇	C₄	1	1	yes	characteristic
15	#14555667	—	2	2	no	—
16	#14555667	—	2	1	no	—
17	#14555667	D₄	1	2	yes	complemented
18	C₂×Dic₂₇₇	—	2	2	no	—
19	C₂×Dic₂₇₇	—	2	2	no	—
20	C₂×Dic₂₇₇	C₂×C₄	1	1	yes	characteristic
21	C₂×Dic₂₇₇	C₂×C₄	1	2	yes	—
22	C₂×Dic₂₇₇	C₂³	1	1	yes	characteristic
23	C₂³×C₂₇₇	C₂×C₄	1	2	yes	—
24	D₄×C₂₇₇	—	2	2	no	—
25	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
26	C₂²×C₂₇₇	—	2	2	no	—
27	C₂²×C₂₇₇	—	2	2	no	—
28	C₂²×C₂₇₇	—	2	2	no	—
29	C₂²×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
30	C₄×C₂₇₇	M₁₆	1	2	yes	complemented
31	Dic₂₇₇	—	2	2	no	—
32	Dic₂₇₇	—	2	1	no	—
33	Dic₂₇₇	C₂×D₄	1	1	yes	characteristic
34	Dic₂₇₇	#41	1	1	yes	characteristic
35	C₂×C₂₇₇	—	4	2	no	—
36	C₂×C₂₇₇	C₄×D₄	1	1	yes	characteristic
37	C₂×C₂₇₇	C₂×M₁₆	1	1	yes	characteristic
38	C₂×C₂₇₇	#131	1	1	yes	characteristic
39	C₂₇₇	#436	1	1	yes	characteristic, complemented, Sylow
40	#436	—	277	1	no	maximal, Sylow
41	C₂×M₁₆	—	277	2	no	—
42	C₄×D₄	—	277	1	no	—
43	C₄⋊C₈	—	277	1	no	—
44	C₂²⋊C₈	—	277	2	no	—
45	C₄×C₈	—	277	1	no	—
46	C₂×D₄	#11764308	1	1	yes	characteristic
47	C₂²×C₄	—	277	2	no	—
48	M₁₆	—	554	4	no	—
49	C₂×C₈	—	277	1	no	—
50	C₂×C₈	—	277	1	no	—
51	C₂×C₈	—	277	2	no	—
52	C₄⋊C₄	—	277	1	no	—
53	C₂²⋊C₄	—	277	2	no	—
54	C₄²	—	277	1	no	—
55	C₂³	C₂×#11764308	1	2	yes	—
56	D₄	—	2	2	no	—
57	C₂×C₄	—	277	1	no	—
58	C₂×C₄	—	277	1	no	—
59	C₂×C₄	—	277	2	no	—
60	C₂×C₄	—	554	2	no	—
61	C₂×C₄	—	554	2	no	—
62	C₂×C₄	C₂×#11764308	1	1	yes	characteristic
63	C₈	—	277	2	no	—
64	C₈	—	554	1	no	—
65	C₈	—	554	2	no	—
66	C₂²	—	2	2	no	—
67	C₂²	—	2	2	no	—
68	C₂²	—	2	2	no	—
69	C₂²	C₂²×#11764308	1	1	yes	characteristic
70	C₄	—	277	1	no	—
71	C₄	—	277	1	no	—
72	C₄	—	554	2	no	—
73	C₄	—	554	1	no	—
74	C₄	#17984572	1	2	yes	complemented
75	C₂	—	4	2	no	—
76	C₂	D₄×#11764308	1	1	yes	characteristic
77	C₂	C₂×#17984572	1	1	yes	characteristic
78	C₂	#22579967	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂²	C₂²×#11764308
commutator, socle	C₂²×C₂₇₇	C₂²×C₄
Fitting, prime radical	C₂×D₄×C₂₇₇	C₄
cosocle	C₂×Dic₂₇₇	C₂³
hypercenter	C₂×D₄	#11764308
hypocenter	C₂₇₇	#436
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₂×D₄

Complements

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

N	H ≅ G/N	type
1. C₂×#17984572	C₂	semidirect
2. C₄⋊#14555667	C₂	semidirect
3. C₂²⋊#14555667	C₂	semidirect
4. C₄×#14555667	C₂	semidirect
17. #14555667	D₄	semidirect
30. C₄×C₂₇₇	M₁₆	semidirect
39. C₂₇₇	#436	semidirect
74. C₄	#17984572	semidirect

Maximal subgroups

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

subgroup	index
C₂×#17984572	2
C₄⋊#14555667	2
C₂²⋊#14555667	2
C₄×#14555667	2
D₄×Dic₂₇₇	2
#436	277