Subgroups — #30656508

Order 16448.

90 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#16861602	C₂	1	1	yes	maximal, characteristic
2	#22551551	C₂	1	1	yes	maximal, characteristic
3	C₂×M₁₆×C₂₅₇	C₂	1	1	yes	maximal, characteristic
4	#16861602	—	2	1	no	—
5	#16861602	C₄	1	2	yes	complemented
6	C₂×#14523339	—	2	1	no	—
7	C₄⋊Dic₂₅₇	—	2	1	no	—
8	C₂²⋊Dic₂₅₇	C₄	1	2	yes	—
9	C₄×Dic₂₅₇	—	2	1	no	—
10	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
11	M₁₆×C₂₅₇	—	2	1	no	—
12	M₁₆×C₂₅₇	—	2	1	no	—
13	C₂×C₈×C₂₅₇	C₄	1	2	yes	complemented
14	C₂×Dic₂₅₇	—	2	2	no	—
15	#14523339	—	2	2	no	—
16	C₂³×C₂₅₇	C₂×C₄	1	1	yes	characteristic
17	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
18	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
19	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
20	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
21	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
22	C₂×C₄×C₂₅₇	Q₈	1	1	yes	characteristic
23	C₈×C₂₅₇	—	2	2	no	—
24	C₂²×C₂₅₇	—	4	1	no	—
25	C₂²×C₂₅₇	C₄²	1	1	yes	characteristic
26	C₂²×C₂₅₇	C₂²⋊C₄	1	1	yes	characteristic
27	C₂²×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
28	C₄×C₂₅₇	C₂²⋊C₄	1	1	yes	characteristic
29	C₄×C₂₅₇	C₂²⋊C₄	1	1	yes	characteristic
30	C₄×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
31	C₄×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
32	Dic₂₅₇	—	4	2	no	—
33	C₂×C₂₅₇	—	2	1	no	—
34	C₂×C₂₅₇	—	2	1	no	—
35	C₂×C₂₅₇	—	2	1	no	—
36	C₂×C₂₅₇	#95	1	1	yes	characteristic
37	C₂₅₇	#344	1	1	yes	characteristic, complemented, Sylow
38	#344	—	257	1	no	maximal, Sylow
39	C₂×M₁₆	—	257	1	no	—
40	C₂×M₁₆	D₂₅₇	1	1	yes	characteristic
41	#117	—	257	1	no	—
42	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
43	M₁₆	—	257	2	no	—
44	M₁₆	—	2	1	no	—
45	M₁₆	—	2	1	no	—
46	M₁₆	—	514	1	no	—
47	C₂×C₈	—	514	1	no	—
48	C₂×C₈	Dic₂₅₇	1	2	yes	complemented
49	C₄⋊C₄	—	514	1	no	—
50	C₂²⋊C₄	—	257	2	no	—
51	C₄²	—	514	1	no	—
52	C₂³	C₄×D₂₅₇	1	1	yes	characteristic
53	C₂×C₄	—	514	2	no	—
54	C₂×C₄	C₄×D₂₅₇	1	1	yes	characteristic
55	C₂×C₄	C₂×Dic₂₅₇	1	1	yes	characteristic
56	C₂×C₄	C₂²⋊D₂₅₇	1	1	yes	characteristic
57	C₂×C₄	C₂²⋊D₂₅₇	1	1	yes	characteristic
58	C₂×C₄	D₁₀₂₈	1	1	yes	characteristic
59	C₂×C₄	Dic₅₁₄	1	1	yes	characteristic
60	C₈	—	2	2	no	—
61	C₈	—	514	2	no	—
62	C₂²	—	4	1	no	—
63	C₂²	C₄×Dic₂₅₇	1	1	yes	characteristic
64	C₂²	#16861595	1	1	yes	characteristic
65	C₂²	#16861597	1	1	yes	characteristic
66	C₄	—	1028	2	no	—
67	C₄	#16861595	1	1	yes	characteristic
68	C₄	C₂²⋊Dic₂₅₇	1	1	yes	characteristic
69	C₄	#16861597	1	1	yes	characteristic
70	C₄	C₄⋊Dic₂₅₇	1	1	yes	characteristic
71	C₂	—	2	1	no	—
72	C₂	—	2	1	no	—
73	C₂	—	2	1	no	—
74	C₂	#22551499	1	1	yes	characteristic

	subgroup	G/H
center	C₄	C₂²⋊Dic₂₅₇
commutator	C₂²×C₂₅₇	C₄²
Frattini	C₂²×C₄	C₂×D₂₅₇
Fitting	C₂×M₁₆×C₂₅₇	C₂
socle	C₂×C₂₅₇	#95
prime radical	C₂³×C₂₅₇	C₂×C₄
cosocle	C₂²×C₄×C₂₅₇	C₂²
hypercenter	C₂×M₁₆	D₂₅₇
hypocenter	C₂₅₇	#344
LCS	G ▷ C₂²×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₄ ◁ C₂²×C₄ ◁ C₂×M₁₆

Complements

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

N	H ≅ G/N	type
5. #16861602	C₄	semidirect
13. C₂×C₈×C₂₅₇	C₄	semidirect
37. C₂₅₇	#344	semidirect
48. C₂×C₈	Dic₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
C₂×#16861602	2
#22551551	2
C₂×M₁₆×C₂₅₇	2
#344	257