Finite Group Databasebeta

D421⋊C8 #20269779

order6736
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD421⋊C8

Splittings

derived, SylowC421 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC4#13132997
commutator, hypocenterC421C2×C8
FrattiniC2C2×#13132997
FittingC4×C421C4
socleC2×C421C2×C4
LCSG ▷ C421
UCSC1 ◁ C4

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^4,421|a^2=c,c^2=d,e^a=e^29,e^b=e^420,e^c=e^420

Conjugacy classes & character table

436 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC8×#13132997, #27212420, #27212428, …
maximal normal subgroup ofC8×#13132997, #27212420, #27212428, …
maximal quotient ofC4×#16809897, #27212423, #27212433, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(6736, 48);