Finite Group Databasebeta

C4⋊(C3⋊(C9⋊D9)) #14517721

order1944
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C32×C9

Aliases

unambiguous semidirect productC4⋊(C3⋊(C9⋊D9))

Splittings

FittingC3×C4×C92 ⋊ C2
SylowC3×C92 ⋊ D4

Subgroups

subgroupG/H
centerC2C2×C3⋊(C9⋊D9)
commutator, cosocleC2×C3×C92C22
FrattiniC2×C32C2×C3⋊(C3⋊D3)
FittingC3×C4×C92C2
socleC2×C33C2×C3⋊D3
hypercenterC4C3⋊(C9⋊D9)
hypocenterC3×C92D4
LCSG ▷ C2×C3×C92 ▷ C3×C92
UCSC1 ◁ C2 ◁ C4

1008 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 972

Polycyclic presentation:

2^3,3^5|b^2=c,e^3=h,f^3=g,b^a=bc,d^a=d^2,e^a=e^2h^2,f^a=f^2g^2,g^a=g^2,h^a=h^2

Conjugacy classes & character table

489 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 2115);