Subgroups — C₂²×#16861603 #30657506

Order 16448.

338 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×D₁₀₂₈	C₂	1	1	yes	maximal, characteristic, complemented
2	C₂×#16861603	C₂	1	12	yes	maximal, direct product factor
3	C₂²×#14523339	C₂	1	1	yes	maximal, characteristic, complemented
4	C₂²×D₄×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
5	C₂³×D₂₅₇	—	2	1	no	—
6	C₂×D₁₀₂₈	—	2	3	no	—
7	C₂×D₁₀₂₈	C₂²	1	6	yes	complemented
8	#16861603	C₂²	1	16	yes	direct product factor
9	C₂×#14523339	C₂²	1	6	yes	complemented
10	C₂⁴×C₂₅₇	—	2	1	no	—
11	C₂×D₄×C₂₅₇	—	2	3	no	—
12	C₂×D₄×C₂₅₇	C₂²	1	6	yes	complemented
13	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
14	C₂²×D₂₅₇	—	2	6	no	—
15	C₂²×D₂₅₇	—	4	4	no	—
16	D₁₀₂₈	—	2	6	no	—
17	D₁₀₂₈	C₂³	1	4	yes	complemented
18	#14523339	C₂³	1	4	yes	complemented
19	C₂³×C₂₅₇	—	2	6	no	—
20	C₂³×C₂₅₇	—	4	4	no	—
21	C₂³×C₂₅₇	D₄	1	1	yes	characteristic
22	D₄×C₂₅₇	—	2	6	no	—
23	D₄×C₂₅₇	C₂³	1	4	yes	complemented
24	C₂×C₄×C₂₅₇	D₄	1	3	yes	—
25	C₂×C₄×C₂₅₇	C₂³	1	3	yes	—
26	C₂²×C₂₅₇	—	2	4	no	—
27	C₂²×C₂₅₇	—	4	12	no	—
28	C₂²×C₂₅₇	D₈	1	4	yes	complemented
29	C₂²×C₂₅₇	C₂×D₄	1	3	yes	—
30	C₂×D₂₅₇	—	2	4	no	—
31	C₂×D₂₅₇	—	4	12	no	—
32	C₄×C₂₅₇	C₂×D₄	1	3	yes	—
33	C₄×C₂₅₇	C₂⁴	1	1	yes	characteristic
34	C₂×C₂₅₇	—	4	4	no	—
35	C₂×C₂₅₇	C₂×D₈	1	6	yes	complemented
36	C₂×C₂₅₇	C₂²×D₄	1	1	yes	characteristic
37	D₂₅₇	—	4	4	no	—
38	C₂₅₇	C₂²×D₈	1	1	yes	characteristic, complemented, Sylow
39	C₂²×D₈	—	257	1	no	maximal, Sylow
40	C₂²×D₄	—	257	1	no	—
41	C₂²×D₄	D₂₅₇	1	1	yes	characteristic, complemented
42	C₂×D₈	—	257	12	no	—
43	C₂²×C₈	—	257	1	no	—
44	C₂⁴	—	2	1	no	—
45	C₂⁴	—	514	1	no	—
46	C₂×D₄	—	257	6	no	—
47	C₂×D₄	—	2	3	no	—
48	C₂×D₄	—	514	3	no	—
49	C₂×D₄	C₂×D₂₅₇	1	6	yes	complemented
50	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
51	D₈	—	257	16	no	—
52	C₂×C₈	—	257	6	no	—
53	C₂³	—	2	6	no	—
54	C₂³	—	514	6	no	—
55	C₂³	—	4	4	no	—
56	C₂³	—	1028	4	no	—
57	C₂³	C₂²⋊D₂₅₇	1	1	yes	characteristic
58	D₄	—	257	4	no	—
59	D₄	—	2	6	no	—
60	D₄	—	514	6	no	—
61	D₄	C₂²×D₂₅₇	1	4	yes	complemented
62	C₂×C₄	C₂²⋊D₂₅₇	1	3	yes	—
63	C₂×C₄	C₂²×D₂₅₇	1	3	yes	—
64	C₈	—	257	4	no	—
65	C₂²	—	2	4	no	—
66	C₂²	—	514	4	no	—
67	C₂²	—	4	12	no	—
68	C₂²	—	1028	12	no	—
69	C₂²	#16861603	1	4	yes	direct product factor
70	C₂²	C₂×C₂²⋊D₂₅₇	1	3	yes	—
71	C₄	C₂×C₂²⋊D₂₅₇	1	3	yes	—
72	C₄	C₂³×D₂₅₇	1	1	yes	characteristic
73	C₂	—	4	4	no	—
74	C₂	—	1028	4	no	—
75	C₂	C₂×#16861603	1	6	yes	direct product factor
76	C₂	C₂²×C₂²⋊D₂₅₇	1	1	yes	characteristic

	subgroup	G/H
center	C₂³	C₂²⋊D₂₅₇
commutator, cosocle	C₄×C₂₅₇	C₂⁴
Frattini	C₄	C₂³×D₂₅₇
Fitting	C₂²×D₄×C₂₅₇	C₂
socle	C₂³×C₂₅₇	D₄
hypercenter	C₂²×D₄	D₂₅₇
hypocenter	C₂₅₇	C₂²×D₈
LCS	G ▷ C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄ ◁ C₂²×D₄

Complements

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

N	H ≅ G/N	type
1. C₂²×D₁₀₂₈	C₂	semidirect
2. C₂×#16861603	C₂	direct (N × H)
3. C₂²×#14523339	C₂	semidirect
4. C₂²×D₄×C₂₅₇	C₂	semidirect
7. C₂×D₁₀₂₈	C₂²	semidirect
8. #16861603	C₂²	direct (N × H)
9. C₂×#14523339	C₂²	semidirect
12. C₂×D₄×C₂₅₇	C₂²	semidirect
17. D₁₀₂₈	C₂³	semidirect
18. #14523339	C₂³	semidirect
23. D₄×C₂₅₇	C₂³	semidirect
28. C₂²×C₂₅₇	D₈	semidirect
35. C₂×C₂₅₇	C₂×D₈	semidirect
38. C₂₅₇	C₂²×D₈	semidirect
41. C₂²×D₄	D₂₅₇	semidirect
49. C₂×D₄	C₂×D₂₅₇	semidirect
61. D₄	C₂²×D₂₅₇	semidirect
69. C₂²	#16861603	direct (N × H)
75. C₂	C₂×#16861603	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂²×D₁₀₂₈	2
C₂×#16861603	2
C₂²×#14523339	2
C₂²×D₄×C₂₅₇	2
C₂²×D₈	257

Subgroups — C22×#16861603 #30657506

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂²×#16861603 #30657506