Finite Group Databasebeta

C4×C421⋊C5 #22554536

order8420
automorphism?
homologyAbelianization (H1) = C4×C5 · Schur multiplier (H2) = C1

Aliases

direct productC4×C421⋊C5
unambiguous semidirect product(C4×C421)⋊C5

Splittings

Fitting, HallC4×C421 ⋊ C5
derived, SylowC421 ⋊ C4×C5

Subgroups

subgroupG/H
center, hypercenterC4C421⋊C5
commutator, hypocenterC421C4×C5
FrattiniC2C2×C421⋊C5
FittingC4×C421C5
socleC2×C421C2×C5
LCSG ▷ C421
UCSC1 ◁ C4

12 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

356 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×C4×C421⋊C5, C4×(C421⋊C3)⋊C5, Dic3×C421⋊C5
maximal normal subgroup ofC3×C4×C421⋊C5, C4×(C421⋊C3)⋊C5
maximal quotient ofC3×C4×C421⋊C5, Dic3×C421⋊C5

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8420, 3);