Subgroups — #30657106

Order 16448.

90 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551592	C₂	1	1	yes	maximal, characteristic
2	#22551584	C₂	1	1	yes	maximal, characteristic
3	#22551517	C₂	1	4	yes	maximal
4	#97×C₂₅₇	C₂	1	1	yes	maximal, characteristic
5	C₂×Dic₅₁₄	C₂²	1	2	yes	—
6	C₄⋊Dic₂₅₇	—	2	2	no	—
7	C₄⋊Dic₂₅₇	C₂²	1	2	yes	—
8	#16861597	—	2	2	no	—
9	C₂×C₈×C₂₅₇	C₂²	1	2	yes	—
10	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
11	Dic₅₁₄	—	2	4	no	—
12	C₂×Dic₂₅₇	—	2	2	no	—
13	C₂×Dic₂₅₇	—	2	2	no	—
14	C₂×C₄×C₂₅₇	D₄	1	2	yes	—
15	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
16	C₈×C₂₅₇	—	2	2	no	—
17	C₂²×C₂₅₇	C₂×D₄	1	1	yes	characteristic
18	C₄×C₂₅₇	—	2	2	no	—
19	C₄×C₂₅₇	#41	1	2	yes	—
20	Dic₂₅₇	—	4	2	no	—
21	Dic₂₅₇	—	4	2	no	—
22	C₂×C₂₅₇	#124	1	1	yes	characteristic
23	C₂×C₂₅₇	#137	1	2	yes	—
24	C₂₅₇	#491	1	1	yes	characteristic, complemented, Sylow
25	#491	—	257	1	no	maximal, Sylow
26	C₄⋊Q₈	—	257	1	no	—
27	#125	—	257	1	no	—
28	#103	—	257	4	no	—
29	#97	D₂₅₇	1	1	yes	characteristic
30	C₂×Q₈	—	257	2	no	—
31	C₂×C₈	C₂×D₂₅₇	1	2	yes	—
32	C₄⋊C₄	—	257	2	no	—
33	C₄⋊C₄	—	514	2	no	—
34	C₄⋊C₄	—	514	2	no	—
35	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
36	Q₈	—	514	4	no	—
37	C₂×C₄	—	514	2	no	—
38	C₂×C₄	—	514	2	no	—
39	C₂×C₄	D₁₀₂₈	1	2	yes	—
40	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
41	C₈	—	2	2	no	—
42	C₂²	C₂×D₁₀₂₈	1	1	yes	characteristic
43	C₄	—	2	2	no	—
44	C₄	—	1028	2	no	—
45	C₄	—	1028	2	no	—
46	C₄	#16861618	1	2	yes	—
47	C₂	#22551580	1	1	yes	characteristic
48	C₂	#22551625	1	2	yes	—

	subgroup	G/H
center	C₂²	C₂×D₁₀₂₈
commutator, cosocle	C₂×C₄×C₂₅₇	C₂³
Frattini	C₂×C₄	C₂²×D₂₅₇
Fitting	#97×C₂₅₇	C₂
socle, prime radical	C₂²×C₂₅₇	C₂×D₄
hypercenter	#97	D₂₅₇
hypocenter	C₂₅₇	#491
LCS	G ▷ C₂×C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ C₄² ◁ #97

Complements

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

N	H ≅ G/N	type
24. C₂₅₇	#491	semidirect

Maximal subgroups

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

subgroup	index
#22551592	2
#22551584	2
#22551517	2
#97×C₂₅₇	2
#491	257