Finite Group Databasebeta

D1609⋊C9 #44394221

order28962
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productD1609⋊C9
unambiguous semidirect product(C1609⋊C9)⋊C2

Splittings

derived, SylowC1609 ⋊ C2×C9
HallC1609⋊C9 ⋊ C2
HallD1609 ⋊ C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3D1609⋊C3
commutator, hypocenterC1609C2×C9
Fitting, socle, cosocleC3×C1609C2×C3
prime radicalC3×D1609C3
LCSG ▷ C1609
UCSC1 ◁ C3

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 14481

Polycyclic presentation:

2,3,1609,3|b^3=d,c^a=c^1608,c^b=c^250

Conjugacy classes & character table

822 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28962, 2);