Finite Group Databasebeta

D45×C257 #37528903

order23130
automorphism?
homologyAbelianization (H1) = C2×C257 · Schur multiplier (H2) = C1

Aliases

direct productD45×C257
unambiguous semidirect productC5⋊(D9×C257)
unambiguous semidirect productC9⋊(D5×C257)

Splittings

Fitting, HallC5×C9×C257 ⋊ C2
derived, HallC5×C9 ⋊ C2×C257
HallC9×C257 ⋊ D5
HallC5×C257 ⋊ D9
SylowC9 ⋊ D5×C257
SylowC5 ⋊ D9×C257

Subgroups

subgroupG/H
center, hypercenterC257D45
commutator, cosocle, hypocenterC5×C9C2×C257
FrattiniC3D15×C257
FittingC5×C9×C257C2
socleC3×C5×C257D3
LCSG ▷ C5×C9
UCSC1 ◁ C257

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11565

Conjugacy classes & character table

6168 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23130, 7);