Subgroups — #31823650

Order 17984.

198 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22582847	C₂	1	3	yes	maximal, complemented
2	#22582794	C₂	1	3	yes	maximal, complemented
3	H(5,𝔽₂)×C₂₈₁	C₂	1	1	yes	maximal, characteristic, complemented
4	C₂³×D₂₈₁	C₂²	1	1	yes	characteristic, complemented
5	C₂×C₂²⋊D₂₈₁	—	2	3	no	—
6	C₂²⋊Dic₂₈₁	C₂²	1	3	yes	complemented
7	#17985115	—	2	3	no	—
8	#41×C₂₈₁	—	2	3	no	—
9	C₂×D₄×C₂₈₁	—	2	3	no	—
10	C₂×D₄×C₂₈₁	C₂²	1	3	yes	—
11	C₂²×D₂₈₁	—	2	3	no	—
12	C₂²×D₂₈₁	—	4	2	no	—
13	C₂²⋊D₂₈₁	—	4	6	no	—
14	C₂×Dic₂₈₁	—	2	3	no	—
15	C₂³×C₂₈₁	—	2	1	no	—
16	C₂³×C₂₈₁	D₄	1	3	yes	complemented
17	C₂³×C₂₈₁	C₂³	1	1	yes	characteristic
18	Q₈×C₂₈₁	—	2	1	no	—
19	D₄×C₂₈₁	—	2	3	no	—
20	D₄×C₂₈₁	—	2	6	no	—
21	C₂×C₄×C₂₈₁	—	2	3	no	—
22	C₂×C₄×C₂₈₁	D₄	1	3	yes	complemented
23	C₂²×C₂₈₁	—	2	3	no	—
24	C₂²×C₂₈₁	—	4	1	no	—
25	C₂²×C₂₈₁	—	4	3	no	—
26	C₂²×C₂₈₁	—	8	1	no	—
27	C₂²×C₂₈₁	C₂×D₄	1	3	yes	—
28	C₂×D₂₈₁	—	2	6	no	—
29	C₂×D₂₈₁	—	4	3	no	—
30	C₂×D₂₈₁	—	4	1	no	—
31	C₄×C₂₈₁	—	2	3	no	—
32	Dic₂₈₁	—	4	3	no	—
33	C₂×C₂₈₁	—	2	3	no	—
34	C₂×C₂₈₁	—	4	3	no	—
35	C₂×C₂₈₁	#120	1	1	yes	characteristic
36	D₂₈₁	—	4	2	no	—
37	C₂₈₁	B(4,𝔽₂)	1	1	yes	characteristic, complemented, Sylow
38	B(4,𝔽₂)	—	281	1	no	maximal, Sylow
39	H(5,𝔽₂)	D₂₈₁	1	1	yes	characteristic, complemented
40	#120	—	281	3	no	—
41	#99	—	281	3	no	—
42	C₂⁴	—	281	1	no	—
43	#41	—	2	3	no	—
44	C₂×D₄	—	2	3	no	—
45	C₂×D₄	—	562	3	no	—
46	C₂×D₄	C₂×D₂₈₁	1	3	yes	—
47	C₂²⋊C₄	—	281	3	no	—
48	C₂²⋊C₄	—	562	3	no	—
49	C₂³	—	2	1	no	—
50	C₂³	—	562	3	no	—
51	C₂³	—	1124	2	no	—
52	C₂³	C₂²⋊D₂₈₁	1	3	yes	complemented
53	C₂³	C₂²×D₂₈₁	1	1	yes	characteristic
54	Q₈	—	2	1	no	—
55	D₄	—	2	3	no	—
56	D₄	—	2	6	no	—
57	D₄	—	1124	6	no	—
58	C₂×C₄	—	2	3	no	—
59	C₂×C₄	—	562	3	no	—
60	C₂×C₄	C₂²⋊D₂₈₁	1	3	yes	complemented
61	C₂²	—	2	3	no	—
62	C₂²	—	4	1	no	—
63	C₂²	—	4	3	no	—
64	C₂²	—	8	1	no	—
65	C₂²	—	562	6	no	—
66	C₂²	—	1124	3	no	—
67	C₂²	—	1124	1	no	—
68	C₂²	C₂×C₂²⋊D₂₈₁	1	3	yes	—
69	C₄	—	2	3	no	—
70	C₄	—	1124	3	no	—
71	C₂	—	2	3	no	—
72	C₂	—	4	3	no	—
73	C₂	—	1124	2	no	—
74	C₂	#22582848	1	1	yes	characteristic

	subgroup	G/H
center	C₂	#22582848
commutator, cosocle	C₂³×C₂₈₁	C₂³
Frattini	C₂³	C₂²×D₂₈₁
Fitting	H(5,𝔽₂)×C₂₈₁	C₂
socle	C₂×C₂₈₁	#120
hypercenter	H(5,𝔽₂)	D₂₈₁
hypocenter	C₂₈₁	B(4,𝔽₂)
LCS	G ▷ C₂³×C₂₈₁ ▷ C₂×C₂₈₁ ▷ C₂₈₁
UCS	C₁ ◁ C₂ ◁ C₂³ ◁ H(5,𝔽₂)

Complements

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

N	H ≅ G/N	type
1. #22582847	C₂	semidirect
2. #22582794	C₂	semidirect
3. H(5,𝔽₂)×C₂₈₁	C₂	semidirect
4. C₂³×D₂₈₁	C₂²	semidirect
6. C₂²⋊Dic₂₈₁	C₂²	semidirect
16. C₂³×C₂₈₁	D₄	semidirect
22. C₂×C₄×C₂₈₁	D₄	semidirect
37. C₂₈₁	B(4,𝔽₂)	semidirect
39. H(5,𝔽₂)	D₂₈₁	semidirect
52. C₂³	C₂²⋊D₂₈₁	semidirect
60. C₂×C₄	C₂²⋊D₂₈₁	semidirect

Maximal subgroups

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

subgroup	index
#22582847	2
#22582794	2
H(5,𝔽₂)×C₂₈₁	2
B(4,𝔽₂)	281