Finite Group Databasebeta

C4⋊(D9⋊C27) #14515980

order1944
automorphism?
homologyAbelianization (H1) = C22×C27 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊(D9⋊C27)
unambiguous semidirect productD36⋊C27

Splittings

FittingC4×C9⋊C27 ⋊ C2
SylowC9⋊C27 ⋊ D4

Subgroups

subgroupG/H
centerC2×C9C2×AGL(1,ℤ/9)
commutatorC2×C9C22×C27
FrattiniC2×C3×C9C2×C3×D3
FittingC4×C9⋊C27C2
socleC2×C32C2×D3×C9
prime radicalC3×D36C9
cosocleC2×C92C22×C3
hypercenterC4×C9AGL(1,ℤ/9)
hypocenterC9D4×C27
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C9 ◁ C4×C9

117 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 216

Polycyclic presentation:

2^2,3,2,3^4|b^2=d,c^3=e,e^3=f,g^3=h,b^a=bd,g^a=g^2h^2,h^a=h^2,g^c=gh^2

Conjugacy classes & character table

279 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 374);