Subgroups — 2₋¹⁺⁴×D₂₈₁ #31824295

Order 17984.

794 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22582927	C₂	1	5	yes	maximal, complemented
2	#22582926	C₂	1	10	yes	maximal, complemented
3	#41×D₂₈₁	C₂	1	10	yes	maximal, complemented
4	C₂×Q₈×D₂₈₁	C₂	1	5	yes	maximal, complemented
5	2₋¹⁺⁴×C₂₈₁	C₂	1	1	yes	maximal, characteristic, complemented
6	#17985139	C₂²	1	10	yes	complemented
7	#17985138	C₂²	1	30	yes	complemented
8	#17985137	C₂²	1	30	yes	complemented
9	C₂×Dic₅₆₂	C₂²	1	15	yes	complemented
10	Q₈×D₂₈₁	C₂²	1	10	yes	—
11	Q₈×D₂₈₁	C₂²	1	20	yes	complemented
12	D₄×D₂₈₁	C₂²	1	10	yes	—
13	C₂×C₄×D₂₈₁	C₂²	1	15	yes	—
14	#41×C₂₈₁	C₂²	1	10	yes	complemented
15	C₂×Q₈×C₂₈₁	C₂²	1	5	yes	complemented
16	C₂²×D₂₈₁	C₂³	1	5	yes	—
17	Dic₅₆₂	C₂³	1	30	yes	—
18	D₁₁₂₄	C₂³	1	10	yes	—
19	C₂²⋊D₂₈₁	C₂³	1	20	yes	—
20	C₂×Dic₂₈₁	C₂³	1	15	yes	—
21	C₄×D₂₈₁	C₂³	1	10	yes	—
22	C₄×D₂₈₁	C₂³	1	30	yes	—
23	Q₈×C₂₈₁	C₂³	1	10	yes	—
24	D₄×C₂₈₁	C₂³	1	10	yes	—
25	C₂×C₄×C₂₈₁	C₂³	1	15	yes	—
26	C₂²×C₂₈₁	C₂⁴	1	5	yes	—
27	C₂×D₂₈₁	—	2	10	no	—
28	C₂×D₂₈₁	C₂⁴	1	5	yes	—
29	C₂×D₂₈₁	C₂⁴	1	1	yes	characteristic
30	C₄×C₂₈₁	C₂⁴	1	10	yes	—
31	Dic₂₈₁	C₂⁴	1	10	yes	—
32	C₂×C₂₈₁	—	2	5	no	—
33	C₂×C₂₈₁	C₂⁵	1	1	yes	characteristic
34	D₂₈₁	—	2	5	no	—
35	D₂₈₁	2₋¹⁺⁴	1	2	yes	direct product factor
36	C₂₈₁	C₂×2₋¹⁺⁴	1	1	yes	characteristic, complemented, Sylow
37	C₂×2₋¹⁺⁴	—	281	1	no	maximal, Sylow
38	2₋¹⁺⁴	—	281	10	no	—
39	2₋¹⁺⁴	—	281	5	no	—
40	2₋¹⁺⁴	D₂₈₁	1	1	yes	characteristic, direct product factor
41	C₂×#41	—	281	10	no	—
42	C₂²×Q₈	—	281	5	no	—
43	#41	—	281	10	no	—
44	#41	—	281	30	no	—
45	#41	—	281	30	no	—
46	#41	C₂×D₂₈₁	1	10	yes	complemented
47	C₂×Q₈	—	281	10	no	—
48	C₂×Q₈	—	281	20	no	—
49	C₂×Q₈	—	281	15	no	—
50	C₂×Q₈	C₂×D₂₈₁	1	5	yes	complemented
51	C₂×D₄	—	281	10	no	—
52	C₂²×C₄	—	281	15	no	—
53	C₂³	—	281	5	no	—
54	Q₈	—	281	30	no	—
55	Q₈	C₂²×D₂₈₁	1	10	yes	—
56	D₄	—	281	20	no	—
57	D₄	—	281	10	no	—
58	D₄	C₂²×D₂₈₁	1	10	yes	—
59	C₂×C₄	—	281	15	no	—
60	C₂×C₄	—	281	10	no	—
61	C₂×C₄	—	281	30	no	—
62	C₂×C₄	C₂²×D₂₈₁	1	15	yes	—
63	C₂²	—	281	1	no	—
64	C₂²	—	281	5	no	—
65	C₂²	—	562	10	no	—
66	C₂²	C₂³×D₂₈₁	1	5	yes	—
67	C₄	—	281	10	no	—
68	C₄	C₂³×D₂₈₁	1	10	yes	—
69	C₂	—	2	5	no	—
70	C₂	—	281	2	no	—
71	C₂	—	562	5	no	—
72	C₂	C₂⁴×D₂₈₁	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂	C₂⁴×D₂₈₁
commutator, socle, cosocle	C₂×C₂₈₁	C₂⁵
Fitting	2₋¹⁺⁴×C₂₈₁	C₂
hypercenter	2₋¹⁺⁴	D₂₈₁
hypocenter	C₂₈₁	C₂×2₋¹⁺⁴
LCS	G ▷ C₂×C₂₈₁ ▷ C₂₈₁
UCS	C₁ ◁ C₂ ◁ 2₋¹⁺⁴

Complements

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

N	H ≅ G/N	type
1. #22582927	C₂	semidirect
2. #22582926	C₂	semidirect
3. #41×D₂₈₁	C₂	semidirect
4. C₂×Q₈×D₂₈₁	C₂	semidirect
5. 2₋¹⁺⁴×C₂₈₁	C₂	semidirect
6. #17985139	C₂²	semidirect
7. #17985138	C₂²	semidirect
8. #17985137	C₂²	semidirect
9. C₂×Dic₅₆₂	C₂²	semidirect
11. Q₈×D₂₈₁	C₂²	semidirect
14. #41×C₂₈₁	C₂²	semidirect
15. C₂×Q₈×C₂₈₁	C₂²	semidirect
35. D₂₈₁	2₋¹⁺⁴	direct (N × H)
36. C₂₈₁	C₂×2₋¹⁺⁴	semidirect
40. 2₋¹⁺⁴	D₂₈₁	direct (N × H)
46. #41	C₂×D₂₈₁	semidirect
50. C₂×Q₈	C₂×D₂₈₁	semidirect

Maximal subgroups

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

subgroup	index
#22582927	2
#22582926	2
#41×D₂₈₁	2
C₂×Q₈×D₂₈₁	2
2₋¹⁺⁴×C₂₈₁	2
C₂×2₋¹⁺⁴	281

Subgroups — 2−1+4×D281 #31824295

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — 2₋¹⁺⁴×D₂₈₁ #31824295