Subgroups — #31800884

Order 17728.

90 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	D₂₇₇⋊M₁₆	C₂	1	1	yes	maximal, characteristic
2	#22579959	C₂	1	1	yes	maximal, characteristic
3	C₂×#17984546	C₂	1	1	yes	maximal, characteristic
4	#17984573	—	2	1	no	—
5	#17984572	C₄	1	2	yes	complemented
6	D₂₇₇⋊C₈	—	2	1	no	—
7	C₄⋊#11764308	—	2	1	no	—
8	C₂²⋊#11764308	C₄	1	2	yes	—
9	C₄×#11764308	—	2	1	no	—
10	C₂×C₄×D₂₇₇	C₂²	1	1	yes	characteristic
11	#17984546	—	2	1	no	—
12	#17984546	—	2	1	no	—
13	C₂×#14555660	C₄	1	1	yes	characteristic, complemented
14	C₂×C₈×C₂₇₇	C₄	1	1	yes	characteristic, complemented
15	C₂×#11764308	—	2	2	no	—
16	#14555667	—	2	2	no	—
17	C₂²×D₂₇₇	C₂×C₄	1	1	yes	characteristic
18	C₂×Dic₂₇₇	C₂×C₄	1	1	yes	characteristic
19	C₄×D₂₇₇	D₄	1	1	yes	characteristic
20	C₄×D₂₇₇	D₄	1	1	yes	characteristic
21	C₄×D₂₇₇	D₄	1	1	yes	characteristic
22	C₄×D₂₇₇	Q₈	1	1	yes	characteristic
23	#14555660	—	2	1	no	—
24	C₂×C₄×C₂₇₇	C₂×C₄	1	1	yes	characteristic
25	C₈×C₂₇₇	—	2	1	no	—
26	C₂²×C₂₇₇	C₄²	1	1	yes	characteristic
27	C₂×D₂₇₇	—	4	1	no	—
28	C₂×D₂₇₇	C₂²⋊C₄	1	1	yes	characteristic
29	C₂×D₂₇₇	C₄⋊C₄	1	1	yes	characteristic
30	#11764308	—	4	2	no	—
31	C₄×C₂₇₇	C₂²⋊C₄	1	1	yes	characteristic
32	C₄×C₂₇₇	C₄⋊C₄	1	1	yes	characteristic
33	Dic₂₇₇	C₂²⋊C₄	1	1	yes	characteristic
34	Dic₂₇₇	C₄⋊C₄	1	1	yes	characteristic
35	C₂×C₂₇₇	—	2	1	no	—
36	C₂×C₂₇₇	#95	1	1	yes	characteristic
37	D₂₇₇	—	2	1	no	—
38	D₂₇₇	—	2	1	no	—
39	C₂₇₇	#344	1	1	yes	characteristic, complemented, Sylow
40	#344	—	277	1	no	maximal, Sylow
41	C₂×M₁₆	—	277	1	no	—
42	C₂×M₁₆	—	277	1	no	—
43	#117	—	277	1	no	—
44	C₂²×C₄	—	277	1	no	—
45	M₁₆	—	277	2	no	—
46	M₁₆	—	554	1	no	—
47	M₁₆	—	554	1	no	—
48	M₁₆	—	554	1	no	—
49	C₂×C₈	—	277	1	no	—
50	C₂×C₈	—	554	1	no	—
51	C₂×C₈	#11764308	1	1	yes	characteristic, complemented
52	C₄⋊C₄	—	554	1	no	—
53	C₂²⋊C₄	—	277	2	no	—
54	C₄²	—	554	1	no	—
55	C₂³	—	277	1	no	—
56	C₂×C₄	—	277	1	no	—
57	C₂×C₄	—	277	1	no	—
58	C₂×C₄	—	277	1	no	—
59	C₂×C₄	—	277	1	no	—
60	C₂×C₄	—	277	1	no	—
61	C₂×C₄	—	554	2	no	—
62	C₂×C₄	C₂×#11764308	1	1	yes	characteristic
63	C₈	—	2	1	no	—
64	C₈	—	554	2	no	—
65	C₈	—	554	1	no	—
66	C₂²	—	277	1	no	—
67	C₂²	—	277	1	no	—
68	C₂²	—	1108	1	no	—
69	C₂²	C₄×#11764308	1	1	yes	characteristic
70	C₄	—	277	1	no	—
71	C₄	—	277	1	no	—
72	C₄	—	1108	2	no	—
73	C₄	C₂²⋊#11764308	1	1	yes	characteristic
74	C₄	C₄⋊#11764308	1	1	yes	characteristic
75	C₂	—	2	1	no	—
76	C₂	—	554	1	no	—
77	C₂	—	554	1	no	—
78	C₂	(C₂×#11764308)⋊C₄	1	1	yes	characteristic

	subgroup	G/H
center	C₄	C₂²⋊#11764308
commutator	C₂²×C₂₇₇	C₄²
Frattini	C₂×C₄	C₂×#11764308
Fitting	C₂×C₈×C₂₇₇	C₄
socle	C₂×C₂₇₇	#95
prime radical	C₂²×D₂₇₇	C₂×C₄
cosocle	C₂×C₄×D₂₇₇	C₂²
hypercenter	C₂×C₈	#11764308
hypocenter	C₂₇₇	#344
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₄ ◁ C₂×C₄ ◁ C₂×C₈

Complements

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

N	H ≅ G/N	type
5. #17984572	C₄	semidirect
13. C₂×#14555660	C₄	semidirect
14. C₂×C₈×C₂₇₇	C₄	semidirect
39. C₂₇₇	#344	semidirect
51. C₂×C₈	#11764308	semidirect

Maximal subgroups

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

subgroup	index
D₂₇₇⋊M₁₆	2
#22579959	2
C₂×#17984546	2
#344	277