Subgroups — #30656795

Order 16448.

96 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551551	C₂	1	1	yes	maximal, characteristic
2	#22551521	C₂	1	1	yes	maximal, characteristic, complemented
3	#22551521	C₂	1	1	yes	maximal, characteristic, complemented
4	C₂²⋊#14523339	C₂	1	1	yes	maximal, characteristic
5	#22551502	C₂	1	1	yes	maximal, characteristic, complemented
6	C₈×Dic₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
7	C₂²⋊C₈×C₂₅₇	C₂	1	1	yes	maximal, characteristic
8	C₂×#14523339	C₂²	1	1	yes	characteristic
9	C₂×#14523339	C₂²	1	1	yes	characteristic
10	C₄⋊Dic₂₅₇	C₄	1	1	yes	characteristic
11	C₄⋊Dic₂₅₇	C₄	1	1	yes	characteristic
12	C₂²⋊Dic₂₅₇	C₄	1	1	yes	characteristic
13	C₂²⋊Dic₂₅₇	C₄	1	1	yes	characteristic
14	C₄×Dic₂₅₇	C₂²	1	1	yes	characteristic
15	C₄×Dic₂₅₇	C₂²	1	1	yes	characteristic
16	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
17	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
18	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
19	C₂×Dic₂₅₇	C₂×C₄	1	1	yes	characteristic
20	C₂×Dic₂₅₇	C₂×C₄	1	1	yes	characteristic
21	C₂×Dic₂₅₇	C₂×C₄	1	1	yes	characteristic
22	C₂×Dic₂₅₇	C₂×C₄	1	1	yes	characteristic
23	#14523339	—	2	1	no	—
24	#14523339	—	2	1	no	—
25	C₂³×C₂₅₇	C₂×C₄	1	1	yes	characteristic
26	C₂×C₄×C₂₅₇	—	2	1	no	—
27	C₂×C₄×C₂₅₇	—	2	1	no	—
28	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
29	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
30	C₈×C₂₅₇	—	2	1	no	—
31	C₈×C₂₅₇	—	2	1	no	—
32	C₂²×C₂₅₇	—	2	1	no	—
33	C₂²×C₂₅₇	—	2	1	no	—
34	C₂²×C₂₅₇	—	2	1	no	—
35	C₂²×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
36	C₄×C₂₅₇	—	2	1	no	—
37	C₄×C₂₅₇	#41	1	1	yes	characteristic
38	C₄×C₂₅₇	#41	1	1	yes	characteristic
39	Dic₂₅₇	—	2	1	no	—
40	Dic₂₅₇	—	2	1	no	—
41	Dic₂₅₇	—	2	1	no	—
42	Dic₂₅₇	—	2	1	no	—
43	C₂×C₂₅₇	—	4	1	no	—
44	C₂×C₂₅₇	#117	1	1	yes	characteristic
45	C₂×C₂₅₇	#131	1	1	yes	characteristic
46	C₂×C₂₅₇	#131	1	1	yes	characteristic
47	C₂₅₇	#433	1	1	yes	characteristic, complemented, Sylow
48	#433	—	257	1	no	maximal, Sylow
49	#117	—	257	1	no	—
50	C₄⋊C₈	—	257	1	no	—
51	C₄⋊C₈	—	257	1	no	—
52	C₂²⋊C₈	—	257	1	no	—
53	C₂²⋊C₈	D₂₅₇	1	1	yes	characteristic
54	#97	—	257	1	no	—
55	C₄×C₈	—	257	1	no	—
56	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
57	C₂×C₈	—	257	1	no	—
58	C₂×C₈	—	257	1	no	—
59	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
60	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
61	C₄⋊C₄	—	257	1	no	—
62	C₄⋊C₄	—	257	1	no	—
63	C₂²⋊C₄	—	257	1	no	—
64	C₂²⋊C₄	—	257	1	no	—
65	C₄²	—	257	1	no	—
66	C₄²	—	257	1	no	—
67	C₂³	C₄×D₂₅₇	1	1	yes	characteristic
68	C₂×C₄	—	257	1	no	—
69	C₂×C₄	—	257	1	no	—
70	C₂×C₄	—	257	1	no	—
71	C₂×C₄	—	257	1	no	—
72	C₂×C₄	—	2	1	no	—
73	C₂×C₄	—	2	1	no	—
74	C₂×C₄	C₄×D₂₅₇	1	1	yes	characteristic
75	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
76	C₈	—	2	1	no	—
77	C₈	—	2	1	no	—
78	C₈	—	514	1	no	—
79	C₈	—	514	1	no	—
80	C₂²	—	2	1	no	—
81	C₂²	—	2	1	no	—
82	C₂²	—	2	1	no	—
83	C₂²	C₂×C₄×D₂₅₇	1	1	yes	characteristic
84	C₄	—	2	1	no	—
85	C₄	—	514	1	no	—
86	C₄	—	514	1	no	—
87	C₄	—	514	1	no	—
88	C₄	—	514	1	no	—
89	C₄	#16861617	1	1	yes	characteristic
90	C₄	#16861617	1	1	yes	characteristic
91	C₂	—	4	1	no	—
92	C₂	#22551548	1	1	yes	characteristic
93	C₂	#22551598	1	1	yes	characteristic
94	C₂	#22551600	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂×C₄	C₂²×D₂₅₇
commutator, socle	C₂²×C₂₅₇	C₂²×C₄
Fitting	C₂²⋊C₈×C₂₅₇	C₂
prime radical	C₂³×C₂₅₇	C₂×C₄
cosocle	C₂×C₄×C₂₅₇	C₂³
hypercenter	C₂²⋊C₈	D₂₅₇
hypocenter	C₂₅₇	#433
LCS	G ▷ C₂²×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂×C₄ ◁ C₂²⋊C₈

Complements

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

N	H ≅ G/N	type
2. #22551521	C₂	semidirect
3. #22551521	C₂	semidirect
5. #22551502	C₂	semidirect
6. C₈×Dic₂₅₇	C₂	semidirect
47. C₂₅₇	#433	semidirect

Maximal subgroups

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

subgroup	index
#22551551	2
#22551521	2
C₂²⋊#14523339	2
#22551502	2
C₈×Dic₂₅₇	2
C₂²⋊C₈×C₂₅₇	2
#433	257