Subgroups — C₂×#22551660 #30657745

Order 16448.

130 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₄⋊#11759967	C₂	1	2	yes	maximal
2	#22551660	C₂	1	4	yes	maximal, direct product factor
3	C₂×C₈×D₂₅₇	C₂	1	1	yes	maximal, characteristic
4	C₂²×#11759967	—	2	2	no	—
5	C₄⋊#11759967	—	2	2	no	—
6	C₄⋊#11759967	C₂²	1	4	yes	—
7	C₂×C₄×D₂₅₇	C₂²	1	1	yes	characteristic
8	C₂×#14523339	C₄	1	1	yes	characteristic, complemented
9	C₈×D₂₅₇	C₄	1	2	yes	complemented
10	C₈×D₂₅₇	C₂²	1	2	yes	—
11	C₂×C₈×C₂₅₇	C₄	1	1	yes	characteristic, complemented
12	C₂×#11759967	—	2	4	no	—
13	C₂×#11759967	—	4	4	no	—
14	C₂²×D₂₅₇	D₄	1	1	yes	characteristic
15	C₂×Dic₂₅₇	Q₈	1	1	yes	characteristic
16	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
17	C₄×D₂₅₇	D₄	1	1	yes	characteristic
18	C₄×D₂₅₇	Q₈	1	1	yes	characteristic
19	C₄×D₂₅₇	C₂³	1	1	yes	characteristic
20	#14523339	C₂×C₄	1	2	yes	complemented
21	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
22	C₈×C₂₅₇	C₂×C₄	1	2	yes	complemented
23	C₂²×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
24	C₂×D₂₅₇	C₄⋊C₄	1	1	yes	characteristic
25	C₂×D₂₅₇	SD₁₆	1	4	yes	—
26	C₂×D₂₅₇	C₂×D₄	1	1	yes	characteristic
27	#11759967	—	4	4	no	—
28	C₄×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
29	C₄×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
30	Dic₂₅₇	C₄⋊C₄	1	1	yes	characteristic
31	Dic₂₅₇	C₂×Q₈	1	1	yes	characteristic
32	C₂×C₂₅₇	#106	1	2	yes	complemented
33	C₂×C₂₅₇	C₂×C₄⋊C₄	1	1	yes	characteristic
34	D₂₅₇	#106	1	2	yes	complemented
35	D₂₅₇	C₂×SD₁₆	1	2	yes	—
36	C₂₅₇	C₂×#106	1	1	yes	characteristic, complemented, Sylow
37	C₂×#106	—	257	1	no	maximal, Sylow
38	C₂²×C₈	—	257	1	no	—
39	C₂×C₄⋊C₄	—	257	2	no	—
40	#106	—	257	4	no	—
41	C₂²×C₄	—	257	1	no	—
42	C₂²×C₄	—	514	2	no	—
43	C₂×C₈	—	257	1	no	—
44	C₂×C₈	—	257	2	no	—
45	C₂×C₈	—	257	2	no	—
46	C₂×C₈	#11759967	1	1	yes	characteristic, complemented
47	C₄⋊C₄	—	257	4	no	—
48	C₄⋊C₄	—	514	2	no	—
49	C₂³	—	257	1	no	—
50	C₂×C₄	—	257	1	no	—
51	C₂×C₄	—	257	1	no	—
52	C₂×C₄	—	257	1	no	—
53	C₂×C₄	—	257	1	no	—
54	C₂×C₄	—	257	1	no	—
55	C₂×C₄	—	514	4	no	—
56	C₂×C₄	—	1028	4	no	—
57	C₂×C₄	C₂×#11759967	1	1	yes	characteristic
58	C₈	—	257	2	no	—
59	C₈	C₂×#11759967	1	2	yes	complemented
60	C₂²	—	257	4	no	—
61	C₂²	—	257	1	no	—
62	C₂²	—	257	1	no	—
63	C₂²	C₄⋊#11759967	1	1	yes	characteristic
64	C₄	—	257	1	no	—
65	C₄	—	257	1	no	—
66	C₄	—	1028	4	no	—
67	C₄	C₄⋊#11759967	1	1	yes	characteristic
68	C₄	C₂²×#11759967	1	1	yes	characteristic
69	C₂	—	257	2	no	—
70	C₂	—	257	2	no	—
71	C₂	#22551660	1	2	yes	direct product factor
72	C₂	C₂×C₄⋊#11759967	1	1	yes	characteristic

	subgroup	G/H
center	C₂²	C₄⋊#11759967
commutator	C₄×C₂₅₇	C₂²×C₄
Frattini	C₄	C₂²×#11759967
Fitting	C₂×C₈×C₂₅₇	C₄
socle	C₂²×C₂₅₇	C₄⋊C₄
prime radical	C₂²×D₂₅₇	D₄
cosocle	C₄×D₂₅₇	C₂³
hypercenter	C₂×C₈	#11759967
hypocenter	C₂₅₇	C₂×#106
LCS	G ▷ C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ C₂×C₄ ◁ C₂×C₈

Complements

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

N	H ≅ G/N	type
2. #22551660	C₂	direct (N × H)
8. C₂×#14523339	C₄	semidirect
9. C₈×D₂₅₇	C₄	semidirect
11. C₂×C₈×C₂₅₇	C₄	semidirect
20. #14523339	C₂×C₄	semidirect
22. C₈×C₂₅₇	C₂×C₄	semidirect
32. C₂×C₂₅₇	#106	semidirect
34. D₂₅₇	#106	semidirect
36. C₂₅₇	C₂×#106	semidirect
46. C₂×C₈	#11759967	semidirect
59. C₈	C₂×#11759967	semidirect
71. C₂	#22551660	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂×C₄⋊#11759967	2
#22551660	2
C₂×C₈×D₂₅₇	2
C₂×#106	257

Subgroups — C2×#22551660 #30657745

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×#22551660 #30657745