Subgroups — D₄×Dic₁₀₁₉ #45656963

Order 32608.

94 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×Dic₁₀₁₉	C₂	1	2	yes	maximal, complemented
2	C₄⋊Dic₁₀₁₉	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂²⋊Dic₁₀₁₉	C₂	1	2	yes	maximal, complemented
4	C₄×Dic₁₀₁₉	C₂	1	1	yes	maximal, characteristic, complemented
5	C₂×D₄×C₁₀₁₉	C₂	1	1	yes	maximal, characteristic
6	C₂×Dic₁₀₁₉	—	2	4	no	—
7	C₂×Dic₁₀₁₉	C₂²	1	1	yes	characteristic
8	C₂×Dic₁₀₁₉	C₂²	1	2	yes	—
9	C₂×Dic₁₀₁₉	C₂²	1	1	yes	characteristic
10	C₂³×C₁₀₁₉	C₂²	1	2	yes	—
11	D₄×C₁₀₁₉	C₄	1	4	yes	complemented
12	C₂×C₄×C₁₀₁₉	C₂²	1	1	yes	characteristic
13	C₂²×C₁₀₁₉	—	2	2	no	—
14	C₂²×C₁₀₁₉	—	2	2	no	—
15	C₂²×C₁₀₁₉	C₂×C₄	1	4	yes	complemented
16	C₂²×C₁₀₁₉	C₂³	1	1	yes	characteristic
17	C₄×C₁₀₁₉	C₂×C₄	1	2	yes	complemented
18	Dic₁₀₁₉	—	2	2	no	—
19	Dic₁₀₁₉	—	2	1	no	—
20	Dic₁₀₁₉	D₄	1	2	yes	direct product factor
21	C₂×C₁₀₁₉	—	2	4	no	—
22	C₂×C₁₀₁₉	C₂²×C₄	1	1	yes	characteristic
23	C₂×C₁₀₁₉	C₂×D₄	1	1	yes	characteristic
24	C₂×C₁₀₁₉	#41	1	1	yes	characteristic
25	C₁₀₁₉	C₄×D₄	1	1	yes	characteristic, complemented, Sylow
26	C₄×D₄	—	1019	1	no	maximal, Sylow
27	C₂×D₄	D₁₀₁₉	1	1	yes	characteristic
28	C₂²×C₄	—	1019	2	no	—
29	C₄⋊C₄	—	1019	1	no	—
30	C₂²⋊C₄	—	1019	2	no	—
31	C₄²	—	1019	1	no	—
32	C₂³	C₂×D₁₀₁₉	1	2	yes	—
33	D₄	Dic₁₀₁₉	1	4	yes	direct product factor
34	C₂×C₄	—	2038	4	no	—
35	C₂×C₄	—	1019	1	no	—
36	C₂×C₄	—	1019	2	no	—
37	C₂×C₄	—	1019	1	no	—
38	C₂×C₄	C₂×D₁₀₁₉	1	1	yes	characteristic
39	C₂²	—	2	2	no	—
40	C₂²	—	2	2	no	—
41	C₂²	C₂×Dic₁₀₁₉	1	4	yes	complemented
42	C₂²	C₂²×D₁₀₁₉	1	1	yes	characteristic
43	C₄	—	2038	2	no	—
44	C₄	—	2038	1	no	—
45	C₄	—	1019	2	no	—
46	C₄	C₂×Dic₁₀₁₉	1	2	yes	complemented
47	C₂	—	2	4	no	—
48	C₂	C₂²×Dic₁₀₁₉	1	1	yes	characteristic
49	C₂	D₄×D₁₀₁₉	1	1	yes	characteristic
50	C₂	#30654503	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂²	C₂²×D₁₀₁₉
commutator	C₂×C₁₀₁₉	C₂²×C₄
Fitting, prime radical	C₂×D₄×C₁₀₁₉	C₂
socle, cosocle	C₂²×C₁₀₁₉	C₂³
hypercenter	C₂×D₄	D₁₀₁₉
hypocenter	C₁₀₁₉	C₄×D₄
LCS	G ▷ C₂×C₁₀₁₉ ▷ C₁₀₁₉
UCS	C₁ ◁ C₂² ◁ C₂×D₄

Complements

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

N	H ≅ G/N	type
1. C₂²×Dic₁₀₁₉	C₂	semidirect
2. C₄⋊Dic₁₀₁₉	C₂	semidirect
3. C₂²⋊Dic₁₀₁₉	C₂	semidirect
4. C₄×Dic₁₀₁₉	C₂	semidirect
11. D₄×C₁₀₁₉	C₄	semidirect
15. C₂²×C₁₀₁₉	C₂×C₄	semidirect
17. C₄×C₁₀₁₉	C₂×C₄	semidirect
20. Dic₁₀₁₉	D₄	direct (N × H)
25. C₁₀₁₉	C₄×D₄	semidirect
33. D₄	Dic₁₀₁₉	direct (N × H)
41. C₂²	C₂×Dic₁₀₁₉	semidirect
46. C₄	C₂×Dic₁₀₁₉	semidirect

Maximal subgroups

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

subgroup	index
C₂²×Dic₁₀₁₉	2
C₄⋊Dic₁₀₁₉	2
C₂²⋊Dic₁₀₁₉	2
C₄×Dic₁₀₁₉	2
C₂×D₄×C₁₀₁₉	2
C₄×D₄	1019

Subgroups — D4×Dic1019 #45656963

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — D₄×Dic₁₀₁₉ #45656963