Subgroups — #30656942

Order 16448.

120 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#16861606	C₂	1	2	yes	maximal
2	#22551592	C₂	1	1	yes	maximal, characteristic, complemented
3	C₄⋊#14523339	C₂	1	1	yes	maximal, characteristic, complemented
4	#22551515	C₂	1	2	yes	maximal, complemented
5	C₄×D₄×C₂₅₇	C₂	1	1	yes	maximal, characteristic
6	C₂×Dic₅₁₄	C₂²	1	2	yes	—
7	#16861606	—	2	4	no	—
8	C₂×#14523339	C₂²	1	2	yes	—
9	C₄⋊Dic₂₅₇	—	2	1	no	—
10	C₄⋊Dic₂₅₇	—	2	1	no	—
11	C₂×D₄×C₂₅₇	C₂²	1	1	yes	characteristic
12	C₂²×C₄×C₂₅₇	—	2	1	no	—
13	C₄⋊C₄×C₂₅₇	C₂²	1	1	yes	characteristic
14	C₂²⋊C₄×C₂₅₇	—	2	1	no	—
15	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
16	Dic₅₁₄	—	2	2	no	—
17	Dic₅₁₄	—	2	2	no	—
18	C₂×Dic₂₅₇	—	2	2	no	—
19	#14523339	—	2	2	no	—
20	C₂³×C₂₅₇	—	2	1	no	—
21	D₄×C₂₅₇	—	2	1	no	—
22	D₄×C₂₅₇	D₄	1	2	yes	—
23	C₂×C₄×C₂₅₇	—	2	1	no	—
24	C₂×C₄×C₂₅₇	—	4	2	no	—
25	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
26	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
27	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
28	C₂²×C₂₅₇	—	2	2	no	—
29	C₂²×C₂₅₇	—	4	1	no	—
30	C₂²×C₂₅₇	—	4	1	no	—
31	C₂²×C₂₅₇	C₂×D₄	1	1	yes	characteristic
32	C₄×C₂₅₇	—	2	1	no	—
33	C₄×C₂₅₇	—	4	1	no	—
34	C₄×C₂₅₇	SD₁₆	1	2	yes	complemented
35	C₄×C₂₅₇	C₂×D₄	1	1	yes	characteristic
36	C₄×C₂₅₇	#41	1	1	yes	characteristic
37	Dic₂₅₇	—	4	2	no	—
38	C₂×C₂₅₇	—	4	2	no	—
39	C₂×C₂₅₇	#121	1	1	yes	characteristic
40	C₂×C₂₅₇	C₂×SD₁₆	1	1	yes	characteristic
41	C₂×C₂₅₇	#137	1	1	yes	characteristic
42	C₂₅₇	#461	1	1	yes	characteristic, complemented, Sylow
43	#461	—	257	1	no	maximal, Sylow
44	C₂×SD₁₆	—	257	2	no	—
45	C₄⋊Q₈	—	257	1	no	—
46	C₄×D₄	D₂₅₇	1	1	yes	characteristic
47	C₄⋊C₈	—	257	1	no	—
48	#103	—	257	2	no	—
49	C₂×Q₈	—	257	2	no	—
50	C₂×D₄	C₂×D₂₅₇	1	1	yes	characteristic
51	C₂²×C₄	—	2	1	no	—
52	SD₁₆	—	514	4	no	—
53	C₂×C₈	—	257	2	no	—
54	C₄⋊C₄	—	514	1	no	—
55	C₄⋊C₄	—	514	1	no	—
56	C₄⋊C₄	C₂×D₂₅₇	1	1	yes	characteristic
57	C₂²⋊C₄	—	2	1	no	—
58	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
59	C₂³	—	2	1	no	—
60	Q₈	—	514	2	no	—
61	Q₈	—	514	2	no	—
62	D₄	—	2	1	no	—
63	D₄	D₁₀₂₈	1	2	yes	—
64	C₂×C₄	—	2	1	no	—
65	C₂×C₄	—	514	2	no	—
66	C₂×C₄	—	4	2	no	—
67	C₂×C₄	C₂²⋊D₂₅₇	1	1	yes	characteristic
68	C₂×C₄	C₂²⋊D₂₅₇	1	1	yes	characteristic
69	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
70	C₈	—	514	2	no	—
71	C₂²	—	2	2	no	—
72	C₂²	—	4	1	no	—
73	C₂²	—	4	1	no	—
74	C₂²	C₂×C₂²⋊D₂₅₇	1	1	yes	characteristic
75	C₄	—	2	1	no	—
76	C₄	—	4	1	no	—
77	C₄	—	1028	2	no	—
78	C₄	#16861606	1	2	yes	complemented
79	C₄	C₂×D₁₀₂₈	1	1	yes	characteristic
80	C₄	#16861618	1	1	yes	characteristic
81	C₂	—	4	2	no	—
82	C₂	#22551566	1	1	yes	characteristic
83	C₂	C₂×#16861606	1	1	yes	characteristic
84	C₂	#22551622	1	1	yes	characteristic

	subgroup	G/H
center	C₂²	C₂×C₂²⋊D₂₅₇
commutator, cosocle	C₂×C₄×C₂₅₇	C₂³
Frattini	C₂×C₄	C₂²×D₂₅₇
Fitting	C₄×D₄×C₂₅₇	C₂
socle	C₂²×C₂₅₇	C₂×D₄
prime radical	C₂×D₄×C₂₅₇	C₂²
hypercenter	C₄×D₄	D₂₅₇
hypocenter	C₂₅₇	#461
LCS	G ▷ C₂×C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ C₄² ◁ C₄×D₄

Complements

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

N	H ≅ G/N	type
2. #22551592	C₂	semidirect
3. C₄⋊#14523339	C₂	semidirect
4. #22551515	C₂	semidirect
34. C₄×C₂₅₇	SD₁₆	semidirect
42. C₂₅₇	#461	semidirect
78. C₄	#16861606	semidirect

Maximal subgroups

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

subgroup	index
C₂×#16861606	2
#22551592	2
C₄⋊#14523339	2
#22551515	2
C₄×D₄×C₂₅₇	2
#461	257