Subgroups — #31800837

Order 17728.

810 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22579927	C₂	1	6	yes	maximal, complemented
2	#22579925	C₂	1	9	yes	maximal, complemented
3	C₂×#17984562	C₂	1	9	yes	maximal, complemented
4	#41×D₂₇₇	C₂	1	6	yes	maximal, complemented
5	H(5,𝔽₂)×C₂₇₇	C₂	1	1	yes	maximal, characteristic, complemented
6	#17984564	C₂²	1	2	yes	complemented
7	#17984563	C₂²	1	18	yes	complemented
8	#17984562	C₂²	1	18	yes	complemented
9	#17984562	C₂²	1	36	yes	complemented
10	C₂×Dic₅₅₄	C₂²	1	9	yes	complemented
11	Q₈×D₂₇₇	C₂²	1	6	yes	complemented
12	C₂×C₂²⋊D₂₇₇	C₂²	1	18	yes	complemented
13	D₄×D₂₇₇	C₂²	1	18	yes	complemented
14	C₂²×Dic₂₇₇	C₂²	1	6	yes	complemented
15	C₂×C₄×D₂₇₇	C₂²	1	9	yes	complemented
16	#41×C₂₇₇	C₂²	1	6	yes	complemented
17	C₂×D₄×C₂₇₇	C₂²	1	9	yes	complemented
18	C₂²×D₂₇₇	C₂³	1	9	yes	—
19	Dic₅₅₄	C₂³	1	18	yes	—
20	D₁₁₀₈	C₂³	1	6	yes	—
21	C₂²⋊D₂₇₇	C₂³	1	36	yes	—
22	C₂×Dic₂₇₇	C₂³	1	9	yes	—
23	C₂×Dic₂₇₇	C₂³	1	18	yes	—
24	C₄×D₂₇₇	C₂³	1	6	yes	—
25	C₄×D₂₇₇	C₂³	1	18	yes	—
26	C₂³×C₂₇₇	C₂³	1	6	yes	—
27	Q₈×C₂₇₇	C₂³	1	2	yes	—
28	D₄×C₂₇₇	C₂³	1	18	yes	—
29	C₂×C₄×C₂₇₇	C₂³	1	9	yes	—
30	C₂²×C₂₇₇	—	4	6	no	—
31	C₂²×C₂₇₇	C₂⁴	1	9	yes	—
32	C₂×D₂₇₇	—	4	9	no	—
33	C₂×D₂₇₇	C₂⁴	1	6	yes	—
34	C₄×C₂₇₇	C₂⁴	1	6	yes	—
35	Dic₂₇₇	C₂⁴	1	1	yes	characteristic
36	Dic₂₇₇	C₂⁴	1	9	yes	—
37	C₂×C₂₇₇	—	2	9	no	—
38	C₂×C₂₇₇	C₂⁵	1	1	yes	characteristic
39	D₂₇₇	—	2	6	no	—
40	C₂₇₇	#585	1	1	yes	characteristic, complemented, Sylow
41	#585	—	277	1	no	maximal, Sylow
42	2₋¹⁺⁴	—	277	6	no	—
43	H(5,𝔽₂)	—	277	9	no	—
44	H(5,𝔽₂)	D₂₇₇	1	1	yes	characteristic, complemented
45	C₂×#41	—	277	6	no	—
46	C₂×#41	—	277	9	no	—
47	#41	—	277	2	no	—
48	#41	—	277	18	no	—
49	#41	—	277	36	no	—
50	#41	—	277	18	no	—
51	#41	C₂×D₂₇₇	1	6	yes	complemented
52	C₂×Q₈	—	277	6	no	—
53	C₂×Q₈	—	277	9	no	—
54	C₂×D₄	—	277	18	no	—
55	C₂×D₄	—	277	18	no	—
56	C₂×D₄	C₂×D₂₇₇	1	9	yes	complemented
57	C₂²×C₄	—	277	6	no	—
58	C₂²×C₄	—	277	9	no	—
59	C₂³	—	277	9	no	—
60	C₂³	C₂²×D₂₇₇	1	6	yes	—
61	Q₈	—	277	18	no	—
62	Q₈	C₂²×D₂₇₇	1	2	yes	—
63	D₄	—	277	36	no	—
64	D₄	—	277	6	no	—
65	D₄	C₂²×D₂₇₇	1	18	yes	—
66	C₂×C₄	—	277	9	no	—
67	C₂×C₄	—	277	18	no	—
68	C₂×C₄	—	277	6	no	—
69	C₂×C₄	—	277	18	no	—
70	C₂×C₄	C₂²×D₂₇₇	1	9	yes	—
71	C₂²	—	4	6	no	—
72	C₂²	—	277	6	no	—
73	C₂²	—	1108	9	no	—
74	C₂²	C₂³×D₂₇₇	1	9	yes	—
75	C₄	—	277	1	no	—
76	C₄	—	277	9	no	—
77	C₄	C₂³×D₂₇₇	1	6	yes	—
78	C₂	—	2	9	no	—
79	C₂	—	554	6	no	—
80	C₂	C₂⁴×D₂₇₇	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂	C₂⁴×D₂₇₇
commutator, socle, cosocle	C₂×C₂₇₇	C₂⁵
Fitting	H(5,𝔽₂)×C₂₇₇	C₂
hypercenter	H(5,𝔽₂)	D₂₇₇
hypocenter	C₂₇₇	#585
LCS	G ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂ ◁ H(5,𝔽₂)

Complements

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

N	H ≅ G/N	type
1. #22579927	C₂	semidirect
2. #22579925	C₂	semidirect
3. C₂×#17984562	C₂	semidirect
4. #41×D₂₇₇	C₂	semidirect
5. H(5,𝔽₂)×C₂₇₇	C₂	semidirect
6. #17984564	C₂²	semidirect
7. #17984563	C₂²	semidirect
8. #17984562	C₂²	semidirect
9. #17984562	C₂²	semidirect
10. C₂×Dic₅₅₄	C₂²	semidirect
11. Q₈×D₂₇₇	C₂²	semidirect
12. C₂×C₂²⋊D₂₇₇	C₂²	semidirect
13. D₄×D₂₇₇	C₂²	semidirect
14. C₂²×Dic₂₇₇	C₂²	semidirect
15. C₂×C₄×D₂₇₇	C₂²	semidirect
16. #41×C₂₇₇	C₂²	semidirect
17. C₂×D₄×C₂₇₇	C₂²	semidirect
40. C₂₇₇	#585	semidirect
44. H(5,𝔽₂)	D₂₇₇	semidirect
51. #41	C₂×D₂₇₇	semidirect
56. C₂×D₄	C₂×D₂₇₇	semidirect

Maximal subgroups

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

subgroup	index
#22579927	2
#22579925	2
C₂×#17984562	2
#41×D₂₇₇	2
H(5,𝔽₂)×C₂₇₇	2
#585	277