Subgroups — C₂²×#16861602 #30657497

Order 16448.

298 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#16861602	C₂	1	12	yes	maximal, direct product factor
2	C₂²×#14523339	C₂	1	2	yes	maximal, complemented
3	C₂³×C₄×C₂₅₇	C₂	1	1	yes	maximal, characteristic
4	#16861602	C₂²	1	16	yes	direct product factor
5	C₂×#14523339	C₂²	1	12	yes	complemented
6	C₂⁴×C₂₅₇	C₄	1	1	yes	characteristic
7	C₂²×C₄×C₂₅₇	C₄	1	6	yes	—
8	C₂²×C₄×C₂₅₇	C₄	1	1	yes	characteristic
9	C₂²×C₄×C₂₅₇	C₂²	1	6	yes	—
10	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
11	#14523339	C₂³	1	8	yes	complemented
12	C₂³×C₂₅₇	—	2	4	no	—
13	C₂³×C₂₅₇	C₂×C₄	1	6	yes	—
14	C₂³×C₂₅₇	C₂×C₄	1	1	yes	characteristic
15	C₂×C₄×C₂₅₇	C₂×C₄	1	12	yes	—
16	C₂×C₄×C₂₅₇	C₂×C₄	1	6	yes	—
17	C₂×C₄×C₂₅₇	C₂×C₄	1	3	yes	—
18	C₂×C₄×C₂₅₇	C₂³	1	3	yes	—
19	C₂×C₄×C₂₅₇	C₂³	1	4	yes	—
20	C₂²×C₂₅₇	—	2	12	no	—
21	C₂²×C₂₅₇	M₁₆	1	4	yes	complemented
22	C₂²×C₂₅₇	C₂²×C₄	1	4	yes	—
23	C₂²×C₂₅₇	C₂²×C₄	1	3	yes	—
24	C₄×C₂₅₇	C₂²×C₄	1	3	yes	—
25	C₄×C₂₅₇	C₂²×C₄	1	4	yes	—
26	C₄×C₂₅₇	C₂⁴	1	1	yes	characteristic
27	C₂×C₂₅₇	—	2	4	no	—
28	C₂×C₂₅₇	C₂×M₁₆	1	6	yes	complemented
29	C₂×C₂₅₇	C₂³×C₄	1	1	yes	characteristic
30	C₂₅₇	C₂²×M₁₆	1	1	yes	characteristic, complemented, Sylow
31	C₂²×M₁₆	—	257	1	no	maximal, Sylow
32	C₂³×C₄	D₂₅₇	1	1	yes	characteristic
33	C₂×M₁₆	—	257	12	no	—
34	C₂²×C₈	—	257	2	no	—
35	C₂⁴	Dic₂₅₇	1	1	yes	characteristic
36	C₂²×C₄	Dic₂₅₇	1	1	yes	characteristic
37	C₂²×C₄	Dic₂₅₇	1	6	yes	—
38	C₂²×C₄	C₂×D₂₅₇	1	6	yes	—
39	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
40	M₁₆	—	257	16	no	—
41	C₂×C₈	—	257	12	no	—
42	C₂³	—	2	4	no	—
43	C₂³	C₂×Dic₂₅₇	1	6	yes	—
44	C₂³	C₂×Dic₂₅₇	1	1	yes	characteristic
45	C₂×C₄	C₂×Dic₂₅₇	1	12	yes	—
46	C₂×C₄	C₂×Dic₂₅₇	1	6	yes	—
47	C₂×C₄	C₂×Dic₂₅₇	1	3	yes	—
48	C₂×C₄	C₂²×D₂₅₇	1	3	yes	—
49	C₂×C₄	C₂²×D₂₅₇	1	4	yes	—
50	C₈	—	257	8	no	—
51	C₂²	—	2	12	no	—
52	C₂²	#16861602	1	4	yes	direct product factor
53	C₂²	C₂²×Dic₂₅₇	1	4	yes	—
54	C₂²	C₂²×Dic₂₅₇	1	3	yes	—
55	C₄	C₂²×Dic₂₅₇	1	4	yes	—
56	C₄	C₂²×Dic₂₅₇	1	3	yes	—
57	C₄	C₂³×D₂₅₇	1	1	yes	characteristic
58	C₂	—	2	4	no	—
59	C₂	C₂×#16861602	1	6	yes	direct product factor
60	C₂	C₂³×Dic₂₅₇	1	1	yes	characteristic

	subgroup	G/H
center	C₂²×C₄	C₂×D₂₅₇
commutator	C₂×C₂₅₇	C₂³×C₄
Frattini	C₄	C₂³×D₂₅₇
Fitting	C₂³×C₄×C₂₅₇	C₂
socle	C₂³×C₂₅₇	C₂×C₄
prime radical	C₂⁴×C₂₅₇	C₄
cosocle	C₄×C₂₅₇	C₂⁴
hypercenter	C₂³×C₄	D₂₅₇
hypocenter	C₂₅₇	C₂²×M₁₆
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂²×C₄ ◁ C₂³×C₄

Complements

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

N	H ≅ G/N	type
1. C₂×#16861602	C₂	direct (N × H)
2. C₂²×#14523339	C₂	semidirect
4. #16861602	C₂²	direct (N × H)
5. C₂×#14523339	C₂²	semidirect
11. #14523339	C₂³	semidirect
21. C₂²×C₂₅₇	M₁₆	semidirect
28. C₂×C₂₅₇	C₂×M₁₆	semidirect
30. C₂₅₇	C₂²×M₁₆	semidirect
52. C₂²	#16861602	direct (N × H)
59. C₂	C₂×#16861602	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×#16861602	2
C₂²×#14523339	2
C₂³×C₄×C₂₅₇	2
C₂²×M₁₆	257

Subgroups — C22×#16861602 #30657497

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂²×#16861602 #30657497