Subgroups — #30657858

Order 16448.

84 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551689	C₂	1	1	yes	maximal, characteristic, complemented
2	#22551688	C₂	1	2	yes	maximal, complemented
3	#22551687	C₂	1	1	yes	maximal, characteristic, complemented
4	C₂×#16861630	C₂	1	2	yes	maximal, complemented
5	#22551679	C₂	1	1	yes	maximal, characteristic
6	#16861630	C₂²	1	1	yes	characteristic
7	#16861630	C₂²	1	2	yes	—
8	#16861630	C₂²	1	1	yes	characteristic
9	#16861628	C₄	1	1	yes	characteristic
10	#16861627	C₄	1	2	yes	—
11	#16861626	C₂²	1	1	yes	characteristic
12	C₂×#14523346	C₂²	1	2	yes	—
13	#16861617	C₄	1	1	yes	characteristic
14	#14523346	C₂×C₄	1	2	yes	—
15	#14523346	C₂×C₄	1	1	yes	characteristic
16	#14523346	C₂³	1	1	yes	characteristic
17	Dic₅₁₄	C₈	1	1	yes	characteristic
18	C₂²⋊D₂₅₇	C₈	1	2	yes	—
19	C₂×Dic₂₅₇	C₂×C₄	1	2	yes	—
20	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
21	D₄×C₂₅₇	C₈	1	1	yes	characteristic
22	C₂²×C₂₅₇	C₂×C₈	1	2	yes	—
23	C₂×D₂₅₇	C₂×C₈	1	1	yes	characteristic
24	C₄×C₂₅₇	C₂×C₈	1	1	yes	characteristic
25	Dic₂₅₇	C₂×C₈	1	2	yes	—
26	Dic₂₅₇	C₂²×C₄	1	1	yes	characteristic
27	C₂×C₂₅₇	—	2	2	no	—
28	C₂×C₂₅₇	C₂²×C₈	1	1	yes	characteristic
29	D₂₅₇	—	2	1	no	—
30	C₂₅₇	#504	1	1	yes	characteristic, complemented, Sylow
31	#504	—	257	1	no	maximal, Sylow
32	#131	—	257	1	no	—
33	M₃₂	—	257	2	no	—
34	M₃₂	—	257	1	no	—
35	C₂×C₁₆	—	257	2	no	—
36	C₂×C₁₆	—	257	1	no	—
37	#41	—	257	1	no	—
38	M₁₆	—	257	2	no	—
39	M₁₆	—	257	1	no	—
40	C₂×C₈	—	257	2	no	—
41	C₂×C₈	—	257	1	no	—
42	C₁₆	—	257	1	no	—
43	C₁₆	—	257	2	no	—
44	C₁₆	—	257	1	no	—
45	Q₈	—	257	1	no	—
46	D₄	—	257	2	no	—
47	D₄	#14523348	1	1	yes	characteristic
48	C₂×C₄	—	257	2	no	—
49	C₂×C₄	—	257	1	no	—
50	C₈	—	257	1	no	—
51	C₈	—	257	2	no	—
52	C₈	—	257	1	no	—
53	C₂²	—	257	1	no	—
54	C₂²	C₂×#14523348	1	2	yes	—
55	C₄	—	257	1	no	—
56	C₄	—	257	2	no	—
57	C₄	C₂×#14523348	1	1	yes	characteristic
58	C₂	—	2	2	no	—
59	C₂	—	514	1	no	—
60	C₂	C₂²×#14523348	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂	C₂²×#14523348
commutator, socle	C₂×C₂₅₇	C₂²×C₈
Fitting	D₄×C₂₅₇	C₈
prime radical	#16861617	C₄
cosocle	#14523346	C₂³
hypercenter	D₄	#14523348
hypocenter	C₂₅₇	#504
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂ ◁ D₄

Complements

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

N	H ≅ G/N	type
1. #22551689	C₂	semidirect
2. #22551688	C₂	semidirect
3. #22551687	C₂	semidirect
4. C₂×#16861630	C₂	semidirect
30. C₂₅₇	#504	semidirect

Maximal subgroups

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

subgroup	index
#22551689	2
#22551688	2
#22551687	2
C₂×#16861630	2
#22551679	2
#504	257