Finite Group Databasebeta

D9×C1609 #44394223

order28962
automorphism?
homologyAbelianization (H1) = C2×C1609 · Schur multiplier (H2) = C1

Aliases

direct productD9×C1609
unambiguous semidirect productC9⋊(C2×C1609)

Splittings

Fitting, HallC9×C1609 ⋊ C2
derived, SylowC9 ⋊ C2×C1609

Subgroups

subgroupG/H
center, hypercenterC1609D9
commutator, cosocle, hypocenterC9C2×C1609
FrattiniC3D3×C1609
FittingC9×C1609C2
socleC3×C1609D3
LCSG ▷ C9
UCSC1 ◁ C1609

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 14481

Conjugacy classes & character table

9654 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28962, 4);