Subgroups — #31800628

Order 17728.

242 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22579859	C₂	1	4	yes	maximal, complemented
2	#22579857	C₂	1	8	yes	maximal, complemented
3	C₂×C₂²⋊Dic₂₇₇	C₂	1	2	yes	maximal
4	C₂×C₂²⋊C₄×C₂₇₇	C₂	1	1	yes	maximal, characteristic
5	C₂×Dic₅₅₄	C₂²	1	4	yes	complemented
6	C₂²×Dic₂₇₇	C₂²	1	4	yes	—
7	C₄⋊Dic₂₇₇	C₂²	1	4	yes	complemented
8	#17984542	C₂²	1	8	yes	complemented
9	C₂²⋊Dic₂₇₇	C₂²	1	4	yes	—
10	C₂²⋊Dic₂₇₇	C₂²	1	4	yes	—
11	C₂⁴×C₂₇₇	C₂²	1	1	yes	characteristic
12	C₂²×C₄×C₂₇₇	C₂²	1	2	yes	—
13	C₂²⋊C₄×C₂₇₇	C₂²	1	4	yes	—
14	Dic₅₅₄	—	4	4	no	—
15	C₂×Dic₂₇₇	—	4	4	no	—
16	C₂×Dic₂₇₇	C₂³	1	8	yes	—
17	C₂³×C₂₇₇	—	4	2	no	—
18	C₂³×C₂₇₇	Q₈	1	4	yes	complemented
19	C₂³×C₂₇₇	C₂³	1	2	yes	—
20	C₂³×C₂₇₇	C₂³	1	1	yes	characteristic
21	C₂×C₄×C₂₇₇	—	4	2	no	—
22	C₂×C₄×C₂₇₇	C₂³	1	4	yes	—
23	C₂²×C₂₇₇	—	2	2	no	—
24	C₂²×C₂₇₇	—	2	4	no	—
25	C₂²×C₂₇₇	—	4	4	no	—
26	C₂²×C₂₇₇	C₂×Q₈	1	4	yes	—
27	C₂²×C₂₇₇	C₂×Q₈	1	2	yes	—
28	C₂²×C₂₇₇	C₂⁴	1	1	yes	characteristic
29	C₄×C₂₇₇	—	2	4	no	—
30	Dic₂₇₇	—	2	8	no	—
31	C₂×C₂₇₇	—	2	2	no	—
32	C₂×C₂₇₇	—	2	4	no	—
33	C₂×C₂₇₇	C₂²×Q₈	1	1	yes	characteristic
34	C₂×C₂₇₇	H(5,𝔽₂)	1	2	yes	—
35	C₂₇₇	#543	1	1	yes	characteristic, complemented, Sylow
36	#543	—	277	1	no	maximal, Sylow
37	C₂²⋊Q₈	—	277	4	no	—
38	C₂²⋊Q₈	—	277	8	no	—
39	C₂×C₂²⋊C₄	—	277	2	no	—
40	C₂×C₂²⋊C₄	D₂₇₇	1	1	yes	characteristic
41	C₂⁴	C₂×D₂₇₇	1	1	yes	characteristic
42	C₂×Q₈	—	277	4	no	—
43	C₂²×C₄	—	277	4	no	—
44	C₂²×C₄	C₂×D₂₇₇	1	2	yes	—
45	C₄⋊C₄	—	277	8	no	—
46	C₄⋊C₄	—	277	4	no	—
47	C₂²⋊C₄	—	277	4	no	—
48	C₂²⋊C₄	—	277	4	no	—
49	C₂²⋊C₄	C₂×D₂₇₇	1	4	yes	—
50	C₂³	—	4	2	no	—
51	C₂³	Dic₅₅₄	1	4	yes	complemented
52	C₂³	C₂²×D₂₇₇	1	1	yes	characteristic
53	C₂³	C₂²×D₂₇₇	1	2	yes	—
54	Q₈	—	1108	4	no	—
55	C₂×C₄	—	4	2	no	—
56	C₂×C₄	—	277	8	no	—
57	C₂×C₄	—	1108	4	no	—
58	C₂×C₄	C₂²×D₂₇₇	1	4	yes	—
59	C₂²	—	2	2	no	—
60	C₂²	—	2	4	no	—
61	C₂²	—	4	4	no	—
62	C₂²	C₂×Dic₅₅₄	1	2	yes	—
63	C₂²	C₂×Dic₅₅₄	1	4	yes	—
64	C₂²	C₂³×D₂₇₇	1	1	yes	characteristic
65	C₄	—	2	4	no	—
66	C₄	—	554	8	no	—
67	C₂	—	2	2	no	—
68	C₂	—	2	4	no	—
69	C₂	C₂²×Dic₅₅₄	1	1	yes	characteristic
70	C₂	#22579925	1	2	yes	—

	subgroup	G/H
center, Frattini	C₂²	C₂³×D₂₇₇
commutator, socle, cosocle	C₂²×C₂₇₇	C₂⁴
Fitting	C₂×C₂²⋊C₄×C₂₇₇	C₂
prime radical	C₂⁴×C₂₇₇	C₂²
hypercenter	C₂×C₂²⋊C₄	D₂₇₇
hypocenter	C₂₇₇	#543
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₂×C₂²⋊C₄

Complements

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

N	H ≅ G/N	type
1. #22579859	C₂	semidirect
2. #22579857	C₂	semidirect
5. C₂×Dic₅₅₄	C₂²	semidirect
7. C₄⋊Dic₂₇₇	C₂²	semidirect
8. #17984542	C₂²	semidirect
18. C₂³×C₂₇₇	Q₈	semidirect
35. C₂₇₇	#543	semidirect
51. C₂³	Dic₅₅₄	semidirect

Maximal subgroups

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

subgroup	index
#22579859	2
#22579857	2
C₂×C₂²⋊Dic₂₇₇	2
C₂×C₂²⋊C₄×C₂₇₇	2
#543	277