Subgroups — #30656693

Order 16448.

130 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	C₂²×#14523339	C₂	1	1	yes	maximal, characteristic
3	#22551503	C₂	1	2	yes	maximal, complemented
4	C₄×#14523339	C₂	1	2	yes	maximal, complemented
5	#117×C₂₅₇	C₂	1	1	yes	maximal, characteristic
6	#16861602	C₄	1	4	yes	complemented
7	C₂×#14523339	C₄	1	4	yes	complemented
8	C₂×#14523339	C₂²	1	1	yes	characteristic
9	C₂×#14523339	C₂²	1	1	yes	characteristic
10	C₂×#14523339	C₂²	1	2	yes	—
11	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
12	C₄⋊C₄×C₂₅₇	C₄	1	2	yes	—
13	C₂²⋊C₄×C₂₅₇	C₄	1	2	yes	—
14	C₄²×C₂₅₇	C₂²	1	2	yes	—
15	#14523339	C₂×C₄	1	2	yes	—
16	#14523339	C₂×C₄	1	2	yes	—
17	#14523339	C₂×C₄	1	4	yes	—
18	C₂³×C₂₅₇	C₂×C₄	1	1	yes	characteristic
19	C₂×C₄×C₂₅₇	C₂×C₄	1	2	yes	—
20	C₂×C₄×C₂₅₇	C₂×C₄	1	2	yes	—
21	C₂×C₄×C₂₅₇	C₂×C₄	1	4	yes	—
22	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
23	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
24	C₂²×C₂₅₇	—	2	2	no	—
25	C₂²×C₂₅₇	C₄²	1	2	yes	—
26	C₂²×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
27	C₄×C₂₅₇	—	2	4	no	—
28	C₄×C₂₅₇	C₄²	1	2	yes	—
29	C₄×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
30	C₄×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
31	C₂×C₂₅₇	—	2	2	no	—
32	C₂×C₂₅₇	C₂×C₄²	1	1	yes	characteristic
33	C₂×C₂₅₇	#131	1	2	yes	—
34	C₂₅₇	#405	1	1	yes	characteristic, complemented, Sylow
35	#405	—	257	1	no	maximal, Sylow
36	C₂×M₁₆	—	257	1	no	—
37	C₂²×C₈	—	257	1	no	—
38	#117	D₂₅₇	1	1	yes	characteristic
39	#97	—	257	2	no	—
40	C₄×C₈	—	257	2	no	—
41	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
42	M₁₆	—	257	4	no	—
43	C₂×C₈	—	257	4	no	—
44	C₂×C₈	—	257	1	no	—
45	C₂×C₈	—	257	2	no	—
46	C₂×C₈	—	257	1	no	—
47	C₄⋊C₄	Dic₂₅₇	1	2	yes	—
48	C₂²⋊C₄	Dic₂₅₇	1	2	yes	—
49	C₄²	C₂×D₂₅₇	1	2	yes	—
50	C₂³	C₂×Dic₂₅₇	1	1	yes	characteristic
51	C₂×C₄	C₄×D₂₅₇	1	2	yes	—
52	C₂×C₄	C₄×D₂₅₇	1	2	yes	—
53	C₂×C₄	C₂×Dic₂₅₇	1	4	yes	—
54	C₂×C₄	C₂×Dic₂₅₇	1	1	yes	characteristic
55	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
56	C₈	—	257	2	no	—
57	C₈	—	257	2	no	—
58	C₈	—	257	4	no	—
59	C₂²	—	2	2	no	—
60	C₂²	C₄×Dic₂₅₇	1	2	yes	—
61	C₂²	C₂²×Dic₂₅₇	1	1	yes	characteristic
62	C₄	—	2	4	no	—
63	C₄	C₄×Dic₂₅₇	1	2	yes	—
64	C₄	C₂×C₄×D₂₅₇	1	1	yes	characteristic
65	C₄	C₂×C₄×D₂₅₇	1	1	yes	characteristic
66	C₂	—	2	2	no	—
67	C₂	C₂×C₄×Dic₂₅₇	1	1	yes	characteristic
68	C₂	#22551599	1	2	yes	—

	subgroup	G/H
center, Frattini	C₂×C₄	C₂²×D₂₅₇
commutator	C₂×C₂₅₇	C₂×C₄²
Fitting	#117×C₂₅₇	C₂
socle	C₂²×C₂₅₇	C₂²×C₄
prime radical	C₂³×C₂₅₇	C₂×C₄
cosocle	C₂×C₄×C₂₅₇	C₂³
hypercenter	#117	D₂₅₇
hypocenter	C₂₅₇	#405
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂×C₄ ◁ #117

Complements

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

N	H ≅ G/N	type
3. #22551503	C₂	semidirect
4. C₄×#14523339	C₂	semidirect
6. #16861602	C₄	semidirect
7. C₂×#14523339	C₄	semidirect
34. C₂₅₇	#405	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
C₂²×#14523339	2
#22551503	2
C₄×#14523339	2
#117×C₂₅₇	2
#405	257