Subgroups — C₈×D₁₀₂₈ #30656804

Order 16448.

134 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₈×D₂₅₇	C₂	1	2	yes	maximal, complemented
2	C₄×D₁₀₂₈	C₂	1	1	yes	maximal, characteristic
3	C₄⋊#14523339	C₂	1	1	yes	maximal, characteristic, complemented
4	#22551504	C₂	1	2	yes	maximal, complemented
5	C₄×C₈×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
6	C₂×D₁₀₂₈	C₄	1	1	yes	characteristic
7	C₂×C₄×D₂₅₇	C₂²	1	2	yes	—
8	C₂×#14523339	C₂²	1	2	yes	—
9	C₈×D₂₅₇	—	2	4	no	—
10	C₄⋊Dic₂₅₇	C₄	1	1	yes	characteristic
11	#16861595	C₄	1	2	yes	—
12	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
13	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
14	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
15	C₂²×D₂₅₇	C₂×C₄	1	2	yes	—
16	D₁₀₂₈	C₈	1	4	yes	direct product factor
17	C₂×Dic₂₅₇	C₂×C₄	1	2	yes	—
18	C₄×D₂₅₇	—	2	2	no	—
19	C₄×D₂₅₇	—	2	2	no	—
20	#14523339	—	2	2	no	—
21	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
22	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
23	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
24	C₈×C₂₅₇	—	2	1	no	—
25	C₈×C₂₅₇	D₄	1	2	yes	complemented
26	C₂²×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
27	C₂×D₂₅₇	—	2	2	no	—
28	C₂×D₂₅₇	—	2	2	no	—
29	C₂×D₂₅₇	C₂×C₈	1	4	yes	complemented
30	C₄×C₂₅₇	—	2	1	no	—
31	C₄×C₂₅₇	C₂×C₈	1	2	yes	complemented
32	C₄×C₂₅₇	C₂×D₄	1	1	yes	characteristic
33	C₄×C₂₅₇	#41	1	1	yes	characteristic
34	Dic₂₅₇	—	2	2	no	—
35	C₂×C₂₅₇	C₄×D₄	1	1	yes	characteristic
36	C₂×C₂₅₇	C₂²×C₈	1	1	yes	characteristic
37	C₂×C₂₅₇	#131	1	1	yes	characteristic
38	D₂₅₇	—	2	4	no	—
39	C₂₅₇	C₈×D₄	1	1	yes	characteristic, complemented, Sylow
40	C₈×D₄	—	257	1	no	maximal, Sylow
41	C₂²×C₈	—	257	2	no	—
42	C₄×D₄	—	257	1	no	—
43	C₄⋊C₈	—	257	1	no	—
44	C₂²⋊C₈	—	257	2	no	—
45	C₄×C₈	D₂₅₇	1	1	yes	characteristic, complemented
46	C₂×D₄	—	257	1	no	—
47	C₂²×C₄	—	257	2	no	—
48	C₂×C₈	—	257	2	no	—
49	C₂×C₈	—	514	4	no	—
50	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
51	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
52	C₄⋊C₄	—	257	1	no	—
53	C₂²⋊C₄	—	257	2	no	—
54	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
55	C₂³	—	257	2	no	—
56	D₄	—	257	4	no	—
57	C₂×C₄	—	257	2	no	—
58	C₂×C₄	—	514	2	no	—
59	C₂×C₄	—	514	2	no	—
60	C₂×C₄	C₄×D₂₅₇	1	1	yes	characteristic
61	C₂×C₄	C₄×D₂₅₇	1	1	yes	characteristic
62	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
63	C₈	—	2	1	no	—
64	C₈	—	514	2	no	—
65	C₈	D₁₀₂₈	1	2	yes	direct product factor
66	C₂²	—	257	4	no	—
67	C₂²	—	514	2	no	—
68	C₂²	—	514	2	no	—
69	C₂²	C₂×C₄×D₂₅₇	1	1	yes	characteristic
70	C₄	—	2	1	no	—
71	C₄	—	514	2	no	—
72	C₄	C₈×D₂₅₇	1	2	yes	complemented
73	C₄	C₂×D₁₀₂₈	1	1	yes	characteristic
74	C₄	#16861618	1	1	yes	characteristic
75	C₂	—	514	4	no	—
76	C₂	C₄×D₁₀₂₈	1	1	yes	characteristic
77	C₂	C₂×C₈×D₂₅₇	1	1	yes	characteristic
78	C₂	#22551598	1	1	yes	characteristic

	subgroup	G/H
center	C₂×C₈	C₂×D₂₅₇
commutator	C₂×C₂₅₇	C₂²×C₈
Frattini	C₂×C₄	C₂²×D₂₅₇
Fitting	C₄×C₈×C₂₅₇	C₂
socle	C₂²×C₂₅₇	C₂²×C₄
prime radical	C₂×D₁₀₂₈	C₄
cosocle	C₂×C₄×C₂₅₇	C₂³
hypercenter	C₄×C₈	D₂₅₇
hypocenter	C₂₅₇	C₈×D₄
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂×C₈ ◁ C₄×C₈

Complements

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

N	H ≅ G/N	type
1. C₂×C₈×D₂₅₇	C₂	semidirect
3. C₄⋊#14523339	C₂	semidirect
4. #22551504	C₂	semidirect
5. C₄×C₈×C₂₅₇	C₂	semidirect
16. D₁₀₂₈	C₈	direct (N × H)
25. C₈×C₂₅₇	D₄	semidirect
29. C₂×D₂₅₇	C₂×C₈	semidirect
31. C₄×C₂₅₇	C₂×C₈	semidirect
39. C₂₅₇	C₈×D₄	semidirect
45. C₄×C₈	D₂₅₇	semidirect
65. C₈	D₁₀₂₈	direct (N × H)
72. C₄	C₈×D₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
C₂×C₈×D₂₅₇	2
C₄×D₁₀₂₈	2
C₄⋊#14523339	2
#22551504	2
C₄×C₈×C₂₅₇	2
C₈×D₄	257

Subgroups — C8×D1028 #30656804

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₈×D₁₀₂₈ #30656804