Finite Group Databasebeta

← C₂⁴×D₈₂₁ #39911297

Subgroups — C₂⁴×D₈₂₁ #39911297

Order 26272.

748 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂³×D₈₂₁	C₂	1	30	yes	maximal, direct product factor
2	C₂⁴×C₈₂₁	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂²×D₈₂₁	C₂²	1	140	yes	direct product factor
4	C₂³×C₈₂₁	C₂²	1	15	yes	complemented
5	C₂²×C₈₂₁	C₂³	1	35	yes	complemented
6	C₂×D₈₂₁	C₂³	1	120	yes	direct product factor
7	C₂×C₈₂₁	C₂⁴	1	15	yes	complemented
8	D₈₂₁	C₂⁴	1	16	yes	direct product factor
9	C₈₂₁	C₂⁵	1	1	yes	characteristic, complemented, Sylow
10	C₂⁵	—	821	1	no	maximal, Sylow
11	C₂⁴	—	821	30	no	—
12	C₂⁴	D₈₂₁	1	1	yes	characteristic, direct product factor
13	C₂³	—	821	140	no	—
14	C₂³	C₂×D₈₂₁	1	15	yes	direct product factor
15	C₂²	—	821	120	no	—
16	C₂²	C₂²×D₈₂₁	1	35	yes	direct product factor
17	C₂	—	821	16	no	—
18	C₂	C₂³×D₈₂₁	1	15	yes	direct product factor

	subgroup	G/H
center, hypercenter	C₂⁴	D₈₂₁
commutator, cosocle, hypocenter	C₈₂₁	C₂⁵
Frattini	C₁	G
Fitting, socle	C₂⁴×C₈₂₁	C₂
LCS	G ▷ C₈₂₁
UCS	C₁ ◁ C₂⁴

Complements

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

N	H ≅ G/N	type
1. C₂³×D₈₂₁	C₂	direct (N × H)
2. C₂⁴×C₈₂₁	C₂	semidirect
3. C₂²×D₈₂₁	C₂²	direct (N × H)
4. C₂³×C₈₂₁	C₂²	semidirect
5. C₂²×C₈₂₁	C₂³	semidirect
6. C₂×D₈₂₁	C₂³	direct (N × H)
7. C₂×C₈₂₁	C₂⁴	semidirect
8. D₈₂₁	C₂⁴	direct (N × H)
9. C₈₂₁	C₂⁵	semidirect
12. C₂⁴	D₈₂₁	direct (N × H)
14. C₂³	C₂×D₈₂₁	direct (N × H)
16. C₂²	C₂²×D₈₂₁	direct (N × H)
18. C₂	C₂³×D₈₂₁	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×D₈₂₁	2
C₂⁴×C₈₂₁	2
C₂⁵	821