Subgroups — C₂×#22582838 #31823919

Order 17984.

330 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22582838	C₂	1	8	yes	maximal, direct product factor
2	C₂×C₄⋊Dic₂₈₁	C₂	1	2	yes	maximal, complemented
3	C₂×C₂²⋊Dic₂₈₁	C₂	1	2	yes	maximal
4	C₂×C₄×Dic₂₈₁	C₂	1	2	yes	maximal, complemented
5	C₂³×C₄×C₂₈₁	C₂	1	1	yes	maximal, characteristic
6	C₂²×Dic₂₈₁	C₂²	1	4	yes	—
7	C₄⋊Dic₂₈₁	C₂²	1	8	yes	complemented
8	C₂²⋊Dic₂₈₁	C₂²	1	8	yes	—
9	C₄×Dic₂₈₁	C₂²	1	8	yes	complemented
10	C₂⁴×C₂₈₁	C₂²	1	1	yes	characteristic
11	C₂²×C₄×C₂₈₁	C₄	1	8	yes	complemented
12	C₂²×C₄×C₂₈₁	C₂²	1	1	yes	characteristic
13	C₂²×C₄×C₂₈₁	C₂²	1	4	yes	—
14	C₂²×C₄×C₂₈₁	C₂²	1	1	yes	characteristic
15	C₂×Dic₂₈₁	—	2	8	no	—
16	C₂×Dic₂₈₁	C₂³	1	8	yes	—
17	C₂³×C₂₈₁	—	2	4	no	—
18	C₂³×C₂₈₁	C₂×C₄	1	4	yes	—
19	C₂³×C₂₈₁	C₂³	1	2	yes	—
20	C₂³×C₂₈₁	C₂³	1	1	yes	characteristic
21	C₂×C₄×C₂₈₁	C₂×C₄	1	4	yes	—
22	C₂×C₄×C₂₈₁	C₂×C₄	1	4	yes	—
23	C₂×C₄×C₂₈₁	C₂×C₄	1	16	yes	complemented
24	C₂×C₄×C₂₈₁	C₂³	1	2	yes	—
25	C₂×C₄×C₂₈₁	C₂³	1	2	yes	—
26	C₂²×C₂₈₁	—	2	8	no	—
27	C₂²×C₂₈₁	—	2	4	no	—
28	C₂²×C₂₈₁	C₂²×C₄	1	4	yes	—
29	C₂²×C₂₈₁	C₂²×C₄	1	2	yes	—
30	C₂²×C₂₈₁	#41	1	4	yes	—
31	C₂²×C₂₈₁	C₂⁴	1	1	yes	characteristic
32	C₄×C₂₈₁	C₂²×C₄	1	4	yes	—
33	C₄×C₂₈₁	C₂²×C₄	1	4	yes	—
34	Dic₂₈₁	—	2	8	no	—
35	C₂×C₂₈₁	—	2	4	no	—
36	C₂×C₂₈₁	#117	1	4	yes	complemented
37	C₂×C₂₈₁	C₂³×C₄	1	1	yes	characteristic
38	C₂×C₂₈₁	C₂×#41	1	2	yes	—
39	C₂₈₁	C₂×#117	1	1	yes	characteristic, complemented, Sylow
40	C₂×#117	—	281	1	no	maximal, Sylow
41	C₂³×C₄	D₂₈₁	1	1	yes	characteristic
42	#117	—	281	8	no	—
43	C₂×C₄⋊C₄	—	281	2	no	—
44	C₂×C₂²⋊C₄	—	281	2	no	—
45	C₂×C₄²	—	281	2	no	—
46	C₂⁴	C₂×D₂₈₁	1	1	yes	characteristic
47	C₂²×C₄	—	281	4	no	—
48	C₂²×C₄	Dic₂₈₁	1	8	yes	complemented
49	C₂²×C₄	C₂×D₂₈₁	1	1	yes	characteristic
50	C₂²×C₄	C₂×D₂₈₁	1	4	yes	—
51	C₂²×C₄	C₂×D₂₈₁	1	1	yes	characteristic
52	C₄⋊C₄	—	281	8	no	—
53	C₂²⋊C₄	—	281	8	no	—
54	C₄²	—	281	8	no	—
55	C₂³	—	2	4	no	—
56	C₂³	C₂×Dic₂₈₁	1	4	yes	—
57	C₂³	C₂²×D₂₈₁	1	2	yes	—
58	C₂³	C₂²×D₂₈₁	1	1	yes	characteristic
59	C₂×C₄	—	281	8	no	—
60	C₂×C₄	—	562	8	no	—
61	C₂×C₄	C₂×Dic₂₈₁	1	4	yes	—
62	C₂×C₄	C₂×Dic₂₈₁	1	4	yes	—
63	C₂×C₄	C₂×Dic₂₈₁	1	16	yes	complemented
64	C₂×C₄	C₂²×D₂₈₁	1	2	yes	—
65	C₂×C₄	C₂²×D₂₈₁	1	2	yes	—
66	C₂²	—	2	8	no	—
67	C₂²	—	2	4	no	—
68	C₂²	C₂²×Dic₂₈₁	1	4	yes	—
69	C₂²	C₂²×Dic₂₈₁	1	2	yes	—
70	C₂²	#17985138	1	4	yes	—
71	C₂²	C₂³×D₂₈₁	1	1	yes	characteristic
72	C₄	—	562	8	no	—
73	C₄	C₂²×Dic₂₈₁	1	4	yes	—
74	C₄	C₂²×Dic₂₈₁	1	4	yes	—
75	C₂	—	2	4	no	—
76	C₂	#22582838	1	4	yes	direct product factor
77	C₂	C₂³×Dic₂₈₁	1	1	yes	characteristic
78	C₂	C₂×#17985138	1	2	yes	—

	subgroup	G/H
center	C₂²×C₄	C₂×D₂₈₁
commutator	C₂×C₂₈₁	C₂³×C₄
Frattini	C₂²	C₂³×D₂₈₁
Fitting	C₂³×C₄×C₂₈₁	C₂
socle	C₂³×C₂₈₁	C₂³
prime radical	C₂⁴×C₂₈₁	C₂²
cosocle	C₂²×C₂₈₁	C₂⁴
hypercenter	C₂³×C₄	D₂₈₁
hypocenter	C₂₈₁	C₂×#117
LCS	G ▷ C₂×C₂₈₁ ▷ C₂₈₁
UCS	C₁ ◁ C₂²×C₄ ◁ C₂³×C₄

Complements

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

N	H ≅ G/N	type
1. #22582838	C₂	direct (N × H)
2. C₂×C₄⋊Dic₂₈₁	C₂	semidirect
4. C₂×C₄×Dic₂₈₁	C₂	semidirect
7. C₄⋊Dic₂₈₁	C₂²	semidirect
9. C₄×Dic₂₈₁	C₂²	semidirect
11. C₂²×C₄×C₂₈₁	C₄	semidirect
23. C₂×C₄×C₂₈₁	C₂×C₄	semidirect
36. C₂×C₂₈₁	#117	semidirect
39. C₂₈₁	C₂×#117	semidirect
48. C₂²×C₄	Dic₂₈₁	semidirect
63. C₂×C₄	C₂×Dic₂₈₁	semidirect
76. C₂	#22582838	direct (N × H)

Maximal subgroups

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

subgroup	index
#22582838	2
C₂×C₄⋊Dic₂₈₁	2
C₂×C₂²⋊Dic₂₈₁	2
C₂×C₄×Dic₂₈₁	2
C₂³×C₄×C₂₈₁	2
C₂×#117	281

Subgroups — C2×#22582838 #31823919

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×#22582838 #31823919