Subgroups — #30657073

Order 16448.

104 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551571	C₂	1	1	yes	maximal, characteristic
2	C₂×C₄⋊Dic₂₅₇	C₂	1	1	yes	maximal, characteristic
3	#22551526	C₂	1	2	yes	maximal, complemented
4	#22551517	C₂	1	2	yes	maximal, complemented
5	C₂²⋊C₈×C₂₅₇	C₂	1	1	yes	maximal, characteristic
6	C₂×Dic₅₁₄	C₂²	1	1	yes	characteristic
7	C₂²×Dic₂₅₇	—	2	1	no	—
8	C₄⋊Dic₂₅₇	—	2	1	no	—
9	C₄⋊Dic₂₅₇	C₂²	1	1	yes	characteristic
10	C₄⋊Dic₂₅₇	C₂²	1	2	yes	—
11	#16861597	—	2	1	no	—
12	C₂²⋊Dic₂₅₇	—	2	1	no	—
13	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
14	C₂×C₈×C₂₅₇	C₂²	1	2	yes	—
15	Dic₅₁₄	—	2	2	no	—
16	C₂×Dic₂₅₇	—	2	1	no	—
17	C₂×Dic₂₅₇	—	2	1	no	—
18	C₂×Dic₂₅₇	—	2	2	no	—
19	C₂×Dic₂₅₇	—	4	2	no	—
20	C₂³×C₂₅₇	D₄	1	1	yes	characteristic
21	C₂×C₄×C₂₅₇	—	2	2	no	—
22	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
23	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
24	C₈×C₂₅₇	—	2	2	no	—
25	C₂²×C₂₅₇	—	2	1	no	—
26	C₂²×C₂₅₇	—	2	1	no	—
27	C₂²×C₂₅₇	Q₁₆	1	2	yes	—
28	C₂²×C₂₅₇	C₂×D₄	1	1	yes	characteristic
29	C₄×C₂₅₇	—	2	1	no	—
30	C₄×C₂₅₇	#41	1	2	yes	—
31	Dic₂₅₇	—	4	1	no	—
32	Dic₂₅₇	—	4	1	no	—
33	Dic₂₅₇	—	4	2	no	—
34	C₂×C₂₅₇	—	2	2	no	—
35	C₂×C₂₅₇	#123	1	1	yes	characteristic
36	C₂×C₂₅₇	C₂×Q₁₆	1	1	yes	characteristic
37	C₂×C₂₅₇	AGL(1,ℤ/8)	1	1	yes	characteristic
38	C₂₅₇	#484	1	1	yes	characteristic, complemented, Sylow
39	#484	—	257	1	no	maximal, Sylow
40	C₂²⋊Q₈	—	257	1	no	—
41	C₂×C₄⋊C₄	—	257	1	no	—
42	#107	—	257	2	no	—
43	#103	—	257	2	no	—
44	C₂²⋊C₈	D₂₅₇	1	1	yes	characteristic
45	C₂×Q₈	—	257	1	no	—
46	C₂²×C₄	—	514	1	no	—
47	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
48	C₂×C₈	C₂×D₂₅₇	1	2	yes	—
49	C₄⋊C₄	—	257	2	no	—
50	C₄⋊C₄	—	257	1	no	—
51	C₄⋊C₄	—	514	1	no	—
52	C₄⋊C₄	—	514	1	no	—
53	C₂²⋊C₄	—	514	1	no	—
54	C₂³	D₁₀₂₈	1	1	yes	characteristic
55	Q₈	—	514	2	no	—
56	C₂×C₄	—	2	2	no	—
57	C₂×C₄	—	514	1	no	—
58	C₂×C₄	—	514	1	no	—
59	C₂×C₄	—	514	2	no	—
60	C₂×C₄	—	1028	2	no	—
61	C₂×C₄	D₁₀₂₈	1	1	yes	characteristic
62	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
63	C₈	—	2	2	no	—
64	C₂²	—	2	1	no	—
65	C₂²	—	2	1	no	—
66	C₂²	Dic₁₀₂₈	1	2	yes	—
67	C₂²	C₂×D₁₀₂₈	1	1	yes	characteristic
68	C₄	—	2	1	no	—
69	C₄	—	1028	1	no	—
70	C₄	—	1028	2	no	—
71	C₄	—	1028	1	no	—
72	C₄	#16861617	1	2	yes	—
73	C₂	—	2	2	no	—
74	C₂	#22551576	1	1	yes	characteristic
75	C₂	C₂×Dic₁₀₂₈	1	1	yes	characteristic
76	C₂	#22551620	1	1	yes	characteristic

	subgroup	G/H
center	C₂²	C₂×D₁₀₂₈
commutator, cosocle	C₂×C₄×C₂₅₇	C₂³
Frattini	C₂×C₄	C₂²×D₂₅₇
Fitting	C₂²⋊C₈×C₂₅₇	C₂
socle	C₂²×C₂₅₇	C₂×D₄
prime radical	C₂³×C₂₅₇	D₄
hypercenter	C₂²⋊C₈	D₂₅₇
hypocenter	C₂₅₇	#484
LCS	G ▷ C₂×C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ C₂²×C₄ ◁ C₂²⋊C₈

Complements

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

N	H ≅ G/N	type
3. #22551526	C₂	semidirect
4. #22551517	C₂	semidirect
38. C₂₅₇	#484	semidirect

Maximal subgroups

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

subgroup	index
#22551571	2
C₂×C₄⋊Dic₂₅₇	2
#22551526	2
#22551517	2
C₂²⋊C₈×C₂₅₇	2
#484	257