Finite Group Databasebeta

D45×C227 #35205333

order20430
automorphism?
homologyAbelianization (H1) = C2×C227 · Schur multiplier (H2) = C1

Aliases

direct productD45×C227
unambiguous semidirect productC5⋊(D9×C227)
unambiguous semidirect productC9⋊(D5×C227)

Splittings

Fitting, HallC5×C9×C227 ⋊ C2
derived, HallC5×C9 ⋊ C2×C227
HallC9×C227 ⋊ D5
HallC5×C227 ⋊ D9
SylowC9 ⋊ D5×C227
SylowC5 ⋊ D9×C227

Subgroups

subgroupG/H
center, hypercenterC227D45
commutator, cosocle, hypocenterC5×C9C2×C227
FrattiniC3D15×C227
FittingC5×C9×C227C2
socleC3×C5×C227D3
LCSG ▷ C5×C9
UCSC1 ◁ C227

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10215

Conjugacy classes & character table

5448 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20430, 7);