Subgroups — #30657293

Order 16448.

222 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551591	C₂	1	2	yes	maximal, complemented
2	#22551584	C₂	1	1	yes	maximal, characteristic, complemented
3	#22551570	C₂	1	4	yes	maximal
4	#22551557	C₂	1	4	yes	maximal, complemented
5	#22551550	C₂	1	2	yes	maximal
6	C₄²×D₂₅₇	C₂	1	1	yes	maximal, characteristic
7	#125×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
8	C₂×Dic₅₁₄	C₂²	1	4	yes	—
9	C₂×C₄×D₂₅₇	C₂²	1	2	yes	—
10	C₂×C₄×D₂₅₇	C₂²	1	1	yes	characteristic
11	C₄⋊Dic₂₅₇	C₂²	1	2	yes	—
12	#16861597	C₂²	1	4	yes	—
13	#16861597	C₂²	1	4	yes	—
14	#16861595	C₂²	1	4	yes	—
15	C₄×Dic₂₅₇	C₂²	1	2	yes	—
16	C₄×Dic₂₅₇	C₂²	1	4	yes	—
17	C₄×Dic₂₅₇	C₂²	1	1	yes	characteristic
18	C₄⋊C₄×C₂₅₇	C₂²	1	4	yes	—
19	C₄⋊C₄×C₂₅₇	C₂²	1	2	yes	—
20	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
21	C₂²×D₂₅₇	C₂³	1	1	yes	characteristic
22	Dic₅₁₄	—	2	8	no	—
23	C₂×Dic₂₅₇	C₂³	1	4	yes	—
24	C₂×Dic₂₅₇	C₂³	1	1	yes	characteristic
25	C₂×Dic₂₅₇	C₂³	1	2	yes	—
26	C₄×D₂₅₇	—	2	4	no	—
27	C₄×D₂₅₇	Q₈	1	4	yes	complemented
28	C₂×C₄×C₂₅₇	C₂³	1	2	yes	—
29	C₂×C₄×C₂₅₇	C₂³	1	4	yes	—
30	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
31	C₂²×C₂₅₇	C₂⁴	1	1	yes	characteristic
32	C₂×D₂₅₇	—	2	2	no	—
33	C₂×D₂₅₇	C₂×Q₈	1	2	yes	—
34	C₄×C₂₅₇	—	2	2	no	—
35	C₄×C₂₅₇	—	2	4	no	—
36	C₄×C₂₅₇	C₂×Q₈	1	2	yes	—
37	Dic₂₅₇	—	2	4	no	—
38	Dic₂₅₇	C₂×Q₈	1	2	yes	—
39	Dic₂₅₇	#41	1	4	yes	—
40	C₂×C₂₅₇	C₂²×Q₈	1	1	yes	characteristic
41	C₂×C₂₅₇	C₂×#41	1	2	yes	—
42	D₂₅₇	—	2	2	no	—
43	C₂₅₇	#533	1	1	yes	characteristic, complemented, Sylow
44	#533	—	257	1	no	maximal, Sylow
45	C₄⋊Q₈	—	257	2	no	—
46	#125	—	257	1	no	—
47	#125	D₂₅₇	1	1	yes	characteristic, complemented
48	C₂²⋊Q₈	—	257	4	no	—
49	C₄×Q₈	—	257	4	no	—
50	#117	—	257	2	no	—
51	C₂×C₄²	—	257	1	no	—
52	C₂×Q₈	—	257	4	no	—
53	C₂²×C₄	—	257	1	no	—
54	C₂²×C₄	—	257	2	no	—
55	C₄⋊C₄	—	257	2	no	—
56	C₄⋊C₄	—	257	4	no	—
57	C₄⋊C₄	—	257	4	no	—
58	C₄⋊C₄	C₂×D₂₅₇	1	2	yes	—
59	C₄⋊C₄	C₂×D₂₅₇	1	4	yes	—
60	C₂²⋊C₄	—	257	4	no	—
61	C₄²	—	257	2	no	—
62	C₄²	—	257	1	no	—
63	C₄²	—	257	4	no	—
64	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
65	C₂³	—	257	1	no	—
66	Q₈	—	514	8	no	—
67	C₂×C₄	—	257	1	no	—
68	C₂×C₄	—	257	2	no	—
69	C₂×C₄	—	257	4	no	—
70	C₂×C₄	—	257	4	no	—
71	C₂×C₄	—	514	4	no	—
72	C₂×C₄	C₂²×D₂₅₇	1	2	yes	—
73	C₂×C₄	C₂²×D₂₅₇	1	4	yes	—
74	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
75	C₂²	—	257	2	no	—
76	C₂²	—	514	2	no	—
77	C₂²	C₂³×D₂₅₇	1	1	yes	characteristic
78	C₄	—	257	2	no	—
79	C₄	—	257	4	no	—
80	C₄	—	2	2	no	—
81	C₄	—	2	4	no	—
82	C₄	—	514	4	no	—
83	C₄	Q₈×D₂₅₇	1	2	yes	—
84	C₂	—	514	2	no	—
85	C₂	C₂×Q₈×D₂₅₇	1	1	yes	characteristic
86	C₂	#41×D₂₅₇	1	2	yes	—

	subgroup	G/H
center, Frattini	C₂²	C₂³×D₂₅₇
commutator, socle, cosocle	C₂²×C₂₅₇	C₂⁴
Fitting	#125×C₂₅₇	C₂
prime radical	C₂²×D₂₅₇	C₂³
hypercenter	#125	D₂₅₇
hypocenter	C₂₅₇	#533
LCS	G ▷ C₂²×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ #125

Complements

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

N	H ≅ G/N	type
1. #22551591	C₂	semidirect
2. #22551584	C₂	semidirect
4. #22551557	C₂	semidirect
7. #125×C₂₅₇	C₂	semidirect
27. C₄×D₂₅₇	Q₈	semidirect
43. C₂₅₇	#533	semidirect
47. #125	D₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
#22551591	2
#22551584	2
#22551570	2
#22551557	2
#22551550	2
C₄²×D₂₅₇	2
#125×C₂₅₇	2
#533	257