Finite Group Databasebeta

Dic18⋊C27 #14515978

order1944
automorphism?
homologyAbelianization (H1) = C22×C27 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productDic18⋊C27
unambiguous semidirect product(C9⋊C27)⋊Q8

Splittings

SylowC9⋊C27 ⋊ Q8

Subgroups

subgroupG/H
centerC2×C9C2×AGL(1,ℤ/9)
commutatorC2×C9C22×C27
FrattiniC2×C3×C9C2×C3×D3
FittingC4×C9⋊C27C2
socle, prime radicalC2×C32C2×D3×C9
cosocleC2×C92C22×C3
hypercenterC4×C9AGL(1,ℤ/9)
hypocenterC9Q8×C27
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C9 ◁ C4×C9

93 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 216

Polycyclic presentation:

2^2,3,2,3^4|a^2=d,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, 372);