Finite Group Databasebeta

C2×D421⋊C9 #29503000

order15156
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×D421⋊C9
unambiguous semidirect productD421⋊(C2×C9)
unambiguous semidirect product(C2×D421)⋊C9
unambiguous semidirect product(C421⋊C9)⋊C22
unambiguous semidirect product(C2×C421⋊C9)⋊C2

Splittings

derived, SylowC421 ⋊ C22×C9
HallC421⋊C9 ⋊ C22
HallC2×D421 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3D421⋊C3
commutator, hypocenterC421C22×C9
FrattiniC3C2×D421⋊C3
Fitting, socleC2×C3×C421C2×C3
prime radicalC2×C3×D421C3
cosocleC3×C421C22×C3
LCSG ▷ C421
UCSC1 ◁ C2×C3

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7578

Conjugacy classes & character table

456 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15156, 9);