Subgroups — D₄×Dic₉₉₁ #44540413

Order 31712.

94 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×Dic₉₉₁	C₂	1	2	yes	maximal, complemented
2	C₄⋊Dic₉₉₁	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂²⋊Dic₉₉₁	C₂	1	2	yes	maximal, complemented
4	C₄×Dic₉₉₁	C₂	1	1	yes	maximal, characteristic, complemented
5	C₂×D₄×C₉₉₁	C₂	1	1	yes	maximal, characteristic
6	C₂×Dic₉₉₁	—	2	4	no	—
7	C₂×Dic₉₉₁	C₂²	1	2	yes	—
8	C₂×Dic₉₉₁	C₂²	1	1	yes	characteristic
9	C₂×Dic₉₉₁	C₂²	1	1	yes	characteristic
10	C₂³×C₉₉₁	C₂²	1	2	yes	—
11	D₄×C₉₉₁	C₄	1	4	yes	complemented
12	C₂×C₄×C₉₉₁	C₂²	1	1	yes	characteristic
13	C₂²×C₉₉₁	—	2	2	no	—
14	C₂²×C₉₉₁	—	2	2	no	—
15	C₂²×C₉₉₁	C₂×C₄	1	4	yes	complemented
16	C₂²×C₉₉₁	C₂³	1	1	yes	characteristic
17	C₄×C₉₉₁	C₂×C₄	1	2	yes	complemented
18	Dic₉₉₁	—	2	2	no	—
19	Dic₉₉₁	—	2	1	no	—
20	Dic₉₉₁	D₄	1	2	yes	direct product factor
21	C₂×C₉₉₁	—	2	4	no	—
22	C₂×C₉₉₁	C₂²×C₄	1	1	yes	characteristic
23	C₂×C₉₉₁	C₂×D₄	1	1	yes	characteristic
24	C₂×C₉₉₁	#41	1	1	yes	characteristic
25	C₉₉₁	C₄×D₄	1	1	yes	characteristic, complemented, Sylow
26	C₄×D₄	—	991	1	no	maximal, Sylow
27	C₂×D₄	D₉₉₁	1	1	yes	characteristic
28	C₂²×C₄	—	991	2	no	—
29	C₄⋊C₄	—	991	1	no	—
30	C₂²⋊C₄	—	991	2	no	—
31	C₄²	—	991	1	no	—
32	C₂³	C₂×D₉₉₁	1	2	yes	—
33	D₄	Dic₉₉₁	1	4	yes	direct product factor
34	C₂×C₄	—	1982	4	no	—
35	C₂×C₄	—	991	1	no	—
36	C₂×C₄	—	991	2	no	—
37	C₂×C₄	—	991	1	no	—
38	C₂×C₄	C₂×D₉₉₁	1	1	yes	characteristic
39	C₂²	—	2	2	no	—
40	C₂²	—	2	2	no	—
41	C₂²	C₂×Dic₉₉₁	1	4	yes	complemented
42	C₂²	C₂²×D₉₉₁	1	1	yes	characteristic
43	C₄	—	1982	2	no	—
44	C₄	—	1982	1	no	—
45	C₄	—	991	2	no	—
46	C₄	C₂×Dic₉₉₁	1	2	yes	complemented
47	C₂	—	2	4	no	—
48	C₂	C₂²×Dic₉₉₁	1	1	yes	characteristic
49	C₂	D₄×D₉₉₁	1	1	yes	characteristic
50	C₂	#30629391	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂²	C₂²×D₉₉₁
commutator	C₂×C₉₉₁	C₂²×C₄
Fitting, prime radical	C₂×D₄×C₉₉₁	C₂
socle, cosocle	C₂²×C₉₉₁	C₂³
hypercenter	C₂×D₄	D₉₉₁
hypocenter	C₉₉₁	C₄×D₄
LCS	G ▷ C₂×C₉₉₁ ▷ C₉₉₁
UCS	C₁ ◁ C₂² ◁ C₂×D₄

Complements

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

N	H ≅ G/N	type
1. C₂²×Dic₉₉₁	C₂	semidirect
2. C₄⋊Dic₉₉₁	C₂	semidirect
3. C₂²⋊Dic₉₉₁	C₂	semidirect
4. C₄×Dic₉₉₁	C₂	semidirect
11. D₄×C₉₉₁	C₄	semidirect
15. C₂²×C₉₉₁	C₂×C₄	semidirect
17. C₄×C₉₉₁	C₂×C₄	semidirect
20. Dic₉₉₁	D₄	direct (N × H)
25. C₉₉₁	C₄×D₄	semidirect
33. D₄	Dic₉₉₁	direct (N × H)
41. C₂²	C₂×Dic₉₉₁	semidirect
46. C₄	C₂×Dic₉₉₁	semidirect

Maximal subgroups

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

subgroup	index
C₂²×Dic₉₉₁	2
C₄⋊Dic₉₉₁	2
C₂²⋊Dic₉₉₁	2
C₄×Dic₉₉₁	2
C₂×D₄×C₉₉₁	2
C₄×D₄	991

Subgroups — D4×Dic991 #44540413

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — D₄×Dic₉₉₁ #44540413