Subgroups — #30657474

Order 16448.

252 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551586	C₂	1	2	yes	maximal, complemented
2	#22551573	C₂	1	3	yes	maximal, complemented
3	#22551564	C₂	1	6	yes	maximal, complemented
4	#22551560	C₂	1	3	yes	maximal, complemented
5	#127×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
6	C₂³×D₂₅₇	C₂²	1	1	yes	characteristic
7	C₂×C₂²⋊D₂₅₇	C₂²	1	6	yes	—
8	C₂²×Dic₂₅₇	C₂²	1	3	yes	complemented
9	#16861597	C₂²	1	6	yes	complemented
10	C₂²⋊Dic₂₅₇	C₂²	1	3	yes	—
11	C₂²⋊Dic₂₅₇	C₂²	1	3	yes	complemented
12	#16861595	C₂²	1	6	yes	—
13	C₂×D₄×C₂₅₇	C₂²	1	3	yes	—
14	C₂×D₄×C₂₅₇	C₂²	1	3	yes	complemented
15	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic, complemented
16	C₂²×D₂₅₇	—	4	3	no	—
17	C₂²×D₂₅₇	C₂³	1	2	yes	—
18	C₂²⋊D₂₅₇	—	4	6	no	—
19	C₂×Dic₂₅₇	—	4	3	no	—
20	C₂×Dic₂₅₇	C₂³	1	6	yes	—
21	C₂³×C₂₅₇	C₂³	1	1	yes	characteristic
22	C₂³×C₂₅₇	C₂³	1	3	yes	—
23	D₄×C₂₅₇	—	4	3	no	—
24	D₄×C₂₅₇	—	4	3	no	—
25	C₂×C₄×C₂₅₇	C₂³	1	3	yes	—
26	C₂²×C₂₅₇	—	2	3	no	—
27	C₂²×C₂₅₇	—	2	6	no	—
28	C₂²×C₂₅₇	—	2	3	no	—
29	C₂²×C₂₅₇	C₂⁴	1	1	yes	characteristic
30	C₂×D₂₅₇	—	2	6	no	—
31	C₂×D₂₅₇	—	4	4	no	—
32	C₄×C₂₅₇	—	2	3	no	—
33	Dic₂₅₇	—	2	6	no	—
34	C₂×C₂₅₇	—	4	1	no	—
35	C₂×C₂₅₇	—	4	3	no	—
36	C₂×C₂₅₇	H(5,𝔽₂)	1	3	yes	—
37	D₂₅₇	—	4	2	no	—
38	C₂₅₇	#560	1	1	yes	characteristic, complemented, Sylow
39	#560	—	257	1	no	maximal, Sylow
40	#127	D₂₅₇	1	1	yes	characteristic, complemented
41	#126	—	257	2	no	—
42	#123	—	257	3	no	—
43	#121	—	257	6	no	—
44	#120	—	257	3	no	—
45	C₂⁴	—	257	1	no	—
46	C₂×D₄	—	257	6	no	—
47	C₂×D₄	C₂×D₂₅₇	1	3	yes	—
48	C₂×D₄	C₂×D₂₅₇	1	3	yes	complemented
49	C₂²×C₄	—	257	3	no	—
50	C₄⋊C₄	—	257	6	no	—
51	C₂²⋊C₄	—	257	3	no	—
52	C₂²⋊C₄	—	257	3	no	—
53	C₂²⋊C₄	—	257	6	no	—
54	C₄²	C₂×D₂₅₇	1	1	yes	characteristic, complemented
55	C₂³	—	257	2	no	—
56	C₂³	—	1028	3	no	—
57	C₂³	C₂²×D₂₅₇	1	1	yes	characteristic
58	C₂³	C₂²×D₂₅₇	1	3	yes	—
59	D₄	—	4	3	no	—
60	D₄	—	4	3	no	—
61	D₄	—	1028	6	no	—
62	C₂×C₄	—	257	6	no	—
63	C₂×C₄	—	1028	3	no	—
64	C₂×C₄	C₂²×D₂₅₇	1	3	yes	—
65	C₂²	—	2	3	no	—
66	C₂²	—	2	6	no	—
67	C₂²	—	2	3	no	—
68	C₂²	—	514	6	no	—
69	C₂²	—	1028	4	no	—
70	C₂²	C₂³×D₂₅₇	1	1	yes	characteristic
71	C₄	—	2	3	no	—
72	C₄	—	514	6	no	—
73	C₂	—	4	1	no	—
74	C₂	—	4	3	no	—
75	C₂	—	1028	2	no	—
76	C₂	#22551637	1	3	yes	—

	subgroup	G/H
center, Frattini	C₂²	C₂³×D₂₅₇
commutator, socle, cosocle	C₂²×C₂₅₇	C₂⁴
Fitting	#127×C₂₅₇	C₂
hypercenter	#127	D₂₅₇
hypocenter	C₂₅₇	#560
LCS	G ▷ C₂²×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ #127

Complements

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

N	H ≅ G/N	type
1. #22551586	C₂	semidirect
2. #22551573	C₂	semidirect
3. #22551564	C₂	semidirect
4. #22551560	C₂	semidirect
5. #127×C₂₅₇	C₂	semidirect
8. C₂²×Dic₂₅₇	C₂²	semidirect
9. #16861597	C₂²	semidirect
11. C₂²⋊Dic₂₅₇	C₂²	semidirect
14. C₂×D₄×C₂₅₇	C₂²	semidirect
15. C₄²×C₂₅₇	C₂²	semidirect
38. C₂₅₇	#560	semidirect
40. #127	D₂₅₇	semidirect
48. C₂×D₄	C₂×D₂₅₇	semidirect
54. C₄²	C₂×D₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
#22551586	2
#22551573	2
#22551564	2
#22551560	2
#127×C₂₅₇	2
#560	257