Subgroups — C₂×#22551663 #30657751

Order 16448.

106 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#16861628	C₂	1	2	yes	maximal
2	#22551663	C₂	1	4	yes	maximal, direct product factor
3	C₂×C₈×D₂₅₇	C₂	1	1	yes	maximal, characteristic
4	#16861628	—	2	2	no	—
5	#16861628	C₂²	1	4	yes	—
6	C₂×#14523346	—	2	2	no	—
7	C₂×C₄×D₂₅₇	C₂²	1	1	yes	characteristic
8	C₂×#14523339	C₄	1	1	yes	characteristic
9	C₈×D₂₅₇	C₄	1	2	yes	—
10	C₈×D₂₅₇	C₂²	1	2	yes	—
11	C₂×C₈×C₂₅₇	C₄	1	1	yes	characteristic
12	#14523346	—	2	4	no	—
13	C₂²×D₂₅₇	Q₈	1	1	yes	characteristic
14	C₂×Dic₂₅₇	D₄	1	1	yes	characteristic
15	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
16	C₄×D₂₅₇	D₄	1	1	yes	characteristic
17	C₄×D₂₅₇	Q₈	1	1	yes	characteristic
18	C₄×D₂₅₇	C₂³	1	1	yes	characteristic
19	#14523339	C₂×C₄	1	2	yes	—
20	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
21	C₈×C₂₅₇	C₂×C₄	1	2	yes	—
22	C₂²×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
23	C₂×D₂₅₇	—	2	2	no	—
24	C₂×D₂₅₇	C₄⋊C₄	1	1	yes	characteristic
25	C₂×D₂₅₇	C₂×Q₈	1	1	yes	characteristic
26	C₄×C₂₅₇	C₄⋊C₄	1	1	yes	characteristic
27	C₄×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
28	Dic₂₅₇	C₄⋊C₄	1	1	yes	characteristic
29	Dic₂₅₇	C₂×D₄	1	1	yes	characteristic
30	C₂×C₂₅₇	#108	1	2	yes	complemented
31	C₂×C₂₅₇	C₂×C₄⋊C₄	1	1	yes	characteristic
32	D₂₅₇	—	2	1	no	—
33	D₂₅₇	—	2	1	no	—
34	C₂₅₇	C₂×#108	1	1	yes	characteristic, complemented, Sylow
35	C₂×#108	—	257	1	no	maximal, Sylow
36	C₂×M₁₆	—	257	2	no	—
37	C₂²×C₈	—	257	1	no	—
38	#108	—	257	4	no	—
39	C₂²×C₄	—	257	1	no	—
40	M₁₆	—	257	4	no	—
41	M₁₆	—	514	2	no	—
42	C₂×C₈	—	257	1	no	—
43	C₂×C₈	—	257	2	no	—
44	C₂×C₈	—	257	2	no	—
45	C₂×C₈	—	514	2	no	—
46	C₂×C₈	#11759967	1	1	yes	characteristic
47	C₂³	—	257	1	no	—
48	C₂×C₄	—	257	1	no	—
49	C₂×C₄	—	257	1	no	—
50	C₂×C₄	—	257	1	no	—
51	C₂×C₄	—	257	1	no	—
52	C₂×C₄	—	257	1	no	—
53	C₂×C₄	C₂×#11759967	1	1	yes	characteristic
54	C₈	—	257	2	no	—
55	C₈	—	514	4	no	—
56	C₈	C₂×#11759967	1	2	yes	—
57	C₂²	—	257	1	no	—
58	C₂²	—	257	1	no	—
59	C₂²	—	514	2	no	—
60	C₂²	C₄⋊#11759967	1	1	yes	characteristic
61	C₄	—	257	1	no	—
62	C₄	—	257	1	no	—
63	C₄	C₄⋊#11759967	1	1	yes	characteristic
64	C₄	C₂²×#11759967	1	1	yes	characteristic
65	C₂	—	514	1	no	—
66	C₂	—	514	1	no	—
67	C₂	#22551663	1	2	yes	direct product factor
68	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	Q₈
cosocle	C₄×D₂₅₇	C₂³
hypercenter	C₂×C₈	#11759967
hypocenter	C₂₅₇	C₂×#108
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. #22551663	C₂	direct (N × H)
30. C₂×C₂₅₇	#108	semidirect
34. C₂₅₇	C₂×#108	semidirect
67. C₂	#22551663	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×#16861628	2
#22551663	2
C₂×C₈×D₂₅₇	2
C₂×#108	257

Subgroups — C2×#22551663 #30657751

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×#22551663 #30657751