Subgroups — #30657007

Order 16448.

108 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551617	C₂	1	2	yes	maximal, complemented
2	C₂×D₂₀₅₆	C₂	1	1	yes	maximal, characteristic, complemented
3	#22551528	C₂	1	1	yes	maximal, characteristic, complemented
4	#22551508	C₂	1	2	yes	maximal, complemented
5	#131×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
6	C₂×D₁₀₂₈	C₂²	1	2	yes	—
7	#16861605	—	2	2	no	—
8	D₂₀₅₆	—	2	1	no	—
9	D₂₀₅₆	—	2	1	no	—
10	#16861603	—	2	2	no	—
11	#16861602	C₂²	1	2	yes	—
12	#41×C₂₅₇	C₂²	1	1	yes	characteristic
13	M₁₆×C₂₅₇	—	2	1	no	—
14	M₁₆×C₂₅₇	C₂²	1	1	yes	characteristic
15	C₂×C₈×C₂₅₇	—	2	1	no	—
16	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
17	C₂²×D₂₅₇	—	2	2	no	—
18	D₁₀₂₈	—	2	2	no	—
19	D₁₀₂₈	—	2	2	no	—
20	#14523339	—	2	2	no	—
21	Q₈×C₂₅₇	D₄	1	1	yes	characteristic
22	D₄×C₂₅₇	—	2	1	no	—
23	D₄×C₂₅₇	D₄	1	1	yes	characteristic
24	C₂×C₄×C₂₅₇	—	2	1	no	—
25	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
26	C₈×C₂₅₇	—	2	1	no	—
27	C₈×C₂₅₇	D₄	1	1	yes	characteristic
28	C₈×C₂₅₇	D₄	1	1	yes	characteristic
29	C₂²×C₂₅₇	—	2	1	no	—
30	C₂²×C₂₅₇	#41	1	1	yes	characteristic
31	C₂×D₂₅₇	—	4	2	no	—
32	C₂×D₂₅₇	—	8	2	no	—
33	C₄×C₂₅₇	—	2	1	no	—
34	C₄×C₂₅₇	C₂×D₄	1	1	yes	characteristic
35	C₄×C₂₅₇	C₂×D₄	1	1	yes	characteristic
36	C₂×C₂₅₇	—	2	1	no	—
37	C₂×C₂₅₇	—	4	1	no	—
38	C₂×C₂₅₇	#121	1	1	yes	characteristic
39	D₂₅₇	—	8	2	no	—
40	C₂₅₇	#472	1	1	yes	characteristic, complemented, Sylow
41	#472	—	257	1	no	maximal, Sylow
42	AGL(1,ℤ/8)	—	257	2	no	—
43	C₂×D₈	—	257	1	no	—
44	#131	D₂₅₇	1	1	yes	characteristic, complemented
45	#108	—	257	1	no	—
46	#100	—	257	2	no	—
47	#41	C₂×D₂₅₇	1	1	yes	characteristic
48	C₂×D₄	—	257	2	no	—
49	SD₁₆	—	514	2	no	—
50	D₈	—	514	2	no	—
51	D₈	—	514	1	no	—
52	D₈	—	514	1	no	—
53	M₁₆	—	257	2	no	—
54	M₁₆	—	2	1	no	—
55	M₁₆	C₂×D₂₅₇	1	1	yes	characteristic
56	C₂×C₈	—	2	1	no	—
57	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
58	C₂³	—	514	2	no	—
59	Q₈	D₁₀₂₈	1	1	yes	characteristic
60	D₄	—	2	1	no	—
61	D₄	—	514	2	no	—
62	D₄	—	514	2	no	—
63	D₄	D₁₀₂₈	1	1	yes	characteristic
64	C₂×C₄	—	2	1	no	—
65	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
66	C₈	—	2	1	no	—
67	C₈	—	514	2	no	—
68	C₈	C₂²⋊D₂₅₇	1	1	yes	characteristic
69	C₈	C₂²⋊D₂₅₇	1	1	yes	characteristic
70	C₂²	—	2	1	no	—
71	C₂²	—	1028	2	no	—
72	C₂²	—	2056	2	no	—
73	C₂²	#16861618	1	1	yes	characteristic
74	C₄	—	2	1	no	—
75	C₄	C₂×C₂²⋊D₂₅₇	1	1	yes	characteristic
76	C₄	C₂×D₁₀₂₈	1	1	yes	characteristic
77	C₂	—	2	1	no	—
78	C₂	—	4	1	no	—
79	C₂	—	2056	2	no	—
80	C₂	#22551566	1	1	yes	characteristic

	subgroup	G/H
center	C₂	#22551566
commutator, cosocle	C₂×C₄×C₂₅₇	C₂³
Frattini	C₂×C₄	C₂²×D₂₅₇
Fitting	#131×C₂₅₇	C₂
socle	C₂×C₂₅₇	#121
hypercenter	#131	D₂₅₇
hypocenter	C₂₅₇	#472
LCS	G ▷ C₂×C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂ ◁ C₂×C₄ ◁ #131

Complements

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

N	H ≅ G/N	type
1. #22551617	C₂	semidirect
2. C₂×D₂₀₅₆	C₂	semidirect
3. #22551528	C₂	semidirect
4. #22551508	C₂	semidirect
5. #131×C₂₅₇	C₂	semidirect
40. C₂₅₇	#472	semidirect
44. #131	D₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
#22551617	2
C₂×D₂₀₅₆	2
#22551528	2
#22551508	2
#131×C₂₅₇	2
#472	257