Finite Group Databasebeta

(C2×D81)⋊C4 #13046296

order1296
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C2×D81)⋊C4

Splittings

FittingC2×C4×C81 ⋊ C2
SylowC81 ⋊ C22⋊C4

Subgroups

subgroupG/H
centerC22C2×D81
commutatorC2×C81C2×C4
FrattiniC22×C27C2×D3
FittingC2×C4×C81C2
socleC22×C3C2×D27
prime radicalC22×D81C2
cosocleC22×C81C22
hypercenterC2×C4D81
hypocenterC81C22⋊C4
LCSG ▷ C2×C81 ▷ C81
UCSC1 ◁ C22 ◁ C2×C4

85 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 648

Polycyclic presentation:

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

Conjugacy classes & character table

330 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1296, 14);