Subgroups — C₂²×C₄⋊Dic₄₂₁ #41003291

Order 26944.

418 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂³×Dic₄₂₁	C₂	1	2	yes	maximal
2	C₂×C₄⋊Dic₄₂₁	C₂	1	12	yes	maximal, direct product factor
3	C₂³×C₄×C₄₂₁	C₂	1	1	yes	maximal, characteristic
4	C₂²×Dic₄₂₁	—	2	8	no	—
5	C₂²×Dic₄₂₁	C₂²	1	12	yes	—
6	C₄⋊Dic₄₂₁	C₂²	1	16	yes	direct product factor
7	C₂⁴×C₄₂₁	C₂²	1	1	yes	characteristic
8	C₂²×C₄×C₄₂₁	C₄	1	8	yes	complemented
9	C₂²×C₄×C₄₂₁	C₂²	1	6	yes	—
10	C₂×Dic₄₂₁	—	2	24	no	—
11	C₂×Dic₄₂₁	C₂³	1	8	yes	—
12	C₂³×C₄₂₁	C₂×C₄	1	4	yes	—
13	C₂³×C₄₂₁	D₄	1	4	yes	—
14	C₂³×C₄₂₁	Q₈	1	4	yes	—
15	C₂³×C₄₂₁	C₂³	1	3	yes	—
16	C₂×C₄×C₄₂₁	C₂×C₄	1	24	yes	complemented
17	C₂×C₄×C₄₂₁	C₂³	1	4	yes	—
18	C₂²×C₄₂₁	C₄⋊C₄	1	16	yes	complemented
19	C₂²×C₄₂₁	C₂²×C₄	1	6	yes	—
20	C₂²×C₄₂₁	C₂×D₄	1	6	yes	—
21	C₂²×C₄₂₁	C₂×Q₈	1	6	yes	—
22	C₂²×C₄₂₁	C₂⁴	1	1	yes	characteristic
23	C₄×C₄₂₁	C₂²×C₄	1	8	yes	complemented
24	Dic₄₂₁	—	2	8	no	—
25	C₂×C₄₂₁	C₂×C₄⋊C₄	1	12	yes	complemented
26	C₂×C₄₂₁	C₂³×C₄	1	1	yes	characteristic
27	C₂×C₄₂₁	C₂²×D₄	1	1	yes	characteristic
28	C₂×C₄₂₁	C₂²×Q₈	1	1	yes	characteristic
29	C₄₂₁	C₂²×C₄⋊C₄	1	1	yes	characteristic, complemented, Sylow
30	C₂²×C₄⋊C₄	—	421	1	no	maximal, Sylow
31	C₂³×C₄	—	421	2	no	—
32	C₂³×C₄	D₄₂₁	1	1	yes	characteristic
33	C₂×C₄⋊C₄	—	421	12	no	—
34	C₂⁴	C₂×D₄₂₁	1	1	yes	characteristic
35	C₂²×C₄	—	842	8	no	—
36	C₂²×C₄	—	421	12	no	—
37	C₂²×C₄	Dic₄₂₁	1	8	yes	complemented
38	C₂²×C₄	C₂×D₄₂₁	1	6	yes	—
39	C₄⋊C₄	—	421	16	no	—
40	C₂³	C₂×Dic₄₂₁	1	4	yes	—
41	C₂³	D₁₆₈₄	1	4	yes	—
42	C₂³	Dic₈₄₂	1	4	yes	—
43	C₂³	C₂²×D₄₂₁	1	3	yes	—
44	C₂×C₄	—	842	24	no	—
45	C₂×C₄	—	421	8	no	—
46	C₂×C₄	C₂×Dic₄₂₁	1	24	yes	complemented
47	C₂×C₄	C₂²×D₄₂₁	1	4	yes	—
48	C₂²	C₄⋊Dic₄₂₁	1	16	yes	direct product factor
49	C₂²	C₂²×Dic₄₂₁	1	6	yes	—
50	C₂²	C₂×D₁₆₈₄	1	6	yes	—
51	C₂²	C₂×Dic₈₄₂	1	6	yes	—
52	C₂²	C₂³×D₄₂₁	1	1	yes	characteristic
53	C₄	—	842	8	no	—
54	C₄	C₂²×Dic₄₂₁	1	8	yes	complemented
55	C₂	C₂×C₄⋊Dic₄₂₁	1	12	yes	direct product factor
56	C₂	C₂³×Dic₄₂₁	1	1	yes	characteristic
57	C₂	C₂²×D₁₆₈₄	1	1	yes	characteristic
58	C₂	C₂²×Dic₈₄₂	1	1	yes	characteristic

	subgroup	G/H
center	C₂⁴	C₂×D₄₂₁
commutator	C₂×C₄₂₁	C₂³×C₄
Frattini	C₂²	C₂³×D₄₂₁
Fitting	C₂³×C₄×C₄₂₁	C₂
socle, prime radical	C₂⁴×C₄₂₁	C₂²
cosocle	C₂²×C₄₂₁	C₂⁴
hypercenter	C₂³×C₄	D₄₂₁
hypocenter	C₄₂₁	C₂²×C₄⋊C₄
LCS	G ▷ C₂×C₄₂₁ ▷ C₄₂₁
UCS	C₁ ◁ C₂⁴ ◁ C₂³×C₄

Complements

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

N	H ≅ G/N	type
2. C₂×C₄⋊Dic₄₂₁	C₂	direct (N × H)
6. C₄⋊Dic₄₂₁	C₂²	direct (N × H)
8. C₂²×C₄×C₄₂₁	C₄	semidirect
16. C₂×C₄×C₄₂₁	C₂×C₄	semidirect
18. C₂²×C₄₂₁	C₄⋊C₄	semidirect
23. C₄×C₄₂₁	C₂²×C₄	semidirect
25. C₂×C₄₂₁	C₂×C₄⋊C₄	semidirect
29. C₄₂₁	C₂²×C₄⋊C₄	semidirect
37. C₂²×C₄	Dic₄₂₁	semidirect
46. C₂×C₄	C₂×Dic₄₂₁	semidirect
48. C₂²	C₄⋊Dic₄₂₁	direct (N × H)
54. C₄	C₂²×Dic₄₂₁	semidirect
55. C₂	C₂×C₄⋊Dic₄₂₁	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂³×Dic₄₂₁	2
C₂×C₄⋊Dic₄₂₁	2
C₂³×C₄×C₄₂₁	2
C₂²×C₄⋊C₄	421

Subgroups — C22×C4⋊Dic421 #41003291

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂²×C₄⋊Dic₄₂₁ #41003291