Finite Group Databasebeta

A4⋊D81 #14516454

order1944
isoclinismisoclinic class of A4⋊D81
automorphism?
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C2×C3

Aliases

unambiguous semidirect productA4⋊D81
unambiguous semidirect productC81⋊S4

Splittings

FittingC22×C81 ⋊ D3
derivedA4×C81 ⋊ C2

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterA4×C81C2
FrattiniC27C3⋊S4
FittingC22×C81D3
socleC22×C3C3⋊D27
LCSG ▷ A4×C81
UCSC1

87 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 324

Polycyclic presentation:

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

Conjugacy classes & character table

165 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 848);