Subgroups — #31801070

Order 17728.

266 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	Q₈×#11764308	C₂	1	8	yes	maximal, complemented
2	#22579959	C₂	1	6	yes	maximal
3	C₂×Q₈×D₂₇₇	C₂	1	1	yes	maximal, characteristic
4	C₄⋊#11764308	C₂²	1	12	yes	—
5	C₂²⋊#11764308	C₂²	1	4	yes	—
6	C₄×#11764308	C₂²	1	12	yes	—
7	C₂×Dic₅₅₄	C₄	1	3	yes	complemented
8	Q₈×D₂₇₇	C₄	1	4	yes	complemented
9	Q₈×D₂₇₇	C₂²	1	4	yes	—
10	C₂×C₄×D₂₇₇	C₂²	1	3	yes	—
11	C₂×Q₈×C₂₇₇	C₄	1	1	yes	characteristic, complemented
12	C₂×#11764308	C₂³	1	8	yes	—
13	C₂²×D₂₇₇	C₂³	1	1	yes	characteristic
14	Dic₅₅₄	C₂×C₄	1	12	yes	—
15	C₂×Dic₂₇₇	C₂×C₄	1	3	yes	—
16	C₄×D₂₇₇	C₂×C₄	1	6	yes	—
17	C₄×D₂₇₇	C₂³	1	6	yes	—
18	Q₈×C₂₇₇	C₂×C₄	1	4	yes	—
19	C₂×C₄×C₂₇₇	C₂×C₄	1	3	yes	—
20	C₂²×C₂₇₇	C₂²×C₄	1	1	yes	characteristic
21	C₂×D₂₇₇	—	2	2	no	—
22	C₂×D₂₇₇	C₂²×C₄	1	1	yes	characteristic
23	C₂×D₂₇₇	C₂⁴	1	1	yes	characteristic
24	#11764308	—	2	8	no	—
25	C₄×C₂₇₇	C₂²×C₄	1	6	yes	—
26	Dic₂₇₇	C₂²×C₄	1	6	yes	—
27	C₂×C₂₇₇	—	2	1	no	—
28	C₂×C₂₇₇	C₂³×C₄	1	1	yes	characteristic
29	D₂₇₇	—	2	1	no	—
30	D₂₇₇	2₋¹⁺⁴	1	2	yes	—
31	C₂₇₇	#519	1	1	yes	characteristic, complemented, Sylow
32	#519	—	277	1	no	maximal, Sylow
33	C₂²×Q₈	—	277	1	no	—
34	C₄×Q₈	—	277	8	no	—
35	#117	—	277	6	no	—
36	C₂×Q₈	—	277	4	no	—
37	C₂×Q₈	—	277	4	no	—
38	C₂×Q₈	—	277	3	no	—
39	C₂×Q₈	#11764308	1	1	yes	characteristic, complemented
40	C₂²×C₄	—	277	3	no	—
41	C₄⋊C₄	—	277	12	no	—
42	C₂²⋊C₄	—	277	4	no	—
43	C₄²	—	277	12	no	—
44	C₂³	—	277	1	no	—
45	Q₈	—	277	12	no	—
46	Q₈	C₂×#11764308	1	4	yes	—
47	C₂×C₄	—	277	3	no	—
48	C₂×C₄	—	277	6	no	—
49	C₂×C₄	—	277	6	no	—
50	C₂×C₄	—	277	8	no	—
51	C₂×C₄	C₂×#11764308	1	3	yes	—
52	C₂²	—	277	1	no	—
53	C₂²	—	277	1	no	—
54	C₂²	—	554	2	no	—
55	C₂²	C₂²×#11764308	1	1	yes	characteristic
56	C₄	—	277	6	no	—
57	C₄	—	554	8	no	—
58	C₄	C₂²×#11764308	1	6	yes	—
59	C₂	—	2	1	no	—
60	C₂	—	277	2	no	—
61	C₂	—	554	1	no	—
62	C₂	C₂³×#11764308	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂	C₂³×#11764308
commutator, socle	C₂×C₂₇₇	C₂³×C₄
Fitting	C₂×Q₈×C₂₇₇	C₄
prime radical	C₂²×D₂₇₇	C₂³
cosocle	C₂×D₂₇₇	C₂⁴
hypercenter	C₂×Q₈	#11764308
hypocenter	C₂₇₇	#519
LCS	G ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂ ◁ C₂×Q₈

Complements

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

N	H ≅ G/N	type
1. Q₈×#11764308	C₂	semidirect
7. C₂×Dic₅₅₄	C₄	semidirect
8. Q₈×D₂₇₇	C₄	semidirect
11. C₂×Q₈×C₂₇₇	C₄	semidirect
31. C₂₇₇	#519	semidirect
39. C₂×Q₈	#11764308	semidirect

Maximal subgroups

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

subgroup	index
Q₈×#11764308	2
#22579959	2
C₂×Q₈×D₂₇₇	2
#519	277