Finite Group Databasebeta

C5×(C3⋊Dic3)⋊C9 #13108117

order1620
isoclinismisoclinic class of (C3⋊D3)⋊C3
automorphism?
homologyAbelianization (H1) = C4×C5×C9 · Schur multiplier (H2) = C3

Aliases

direct productC5×(C3⋊Dic3)⋊C9
unambiguous semidirect product(C3⋊Dic3)⋊(C5×C9)
unambiguous semidirect product(C5×C3⋊Dic3)⋊C9

Splittings

derivedC32 ⋊ C4×C5×C9
HallC5×C32⋊C9 ⋊ C4
SylowC32⋊C9 ⋊ C4×C5

Subgroups

subgroupG/H
center, hypercenterC2×C3×C5(C3⋊D3)⋊C3
commutator, hypocenterC32C4×C5×C9
FrattiniC2×C32C3×C5×D3
FittingC2×C5×C32⋊C9C2
socleC2×C32×C5C3×D3
prime radicalC2×C33×C5C2×C3
cosocleC2×C33C2×C3×C5
LCSG ▷ C32
UCSC1 ◁ C2×C3×C5

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 180

A minimal faithful permutation representation — 2 generators on 27 points:

(1,2,3,4,5)(6,13,12,8,7,14,11,10,9)(16,21,23,18,19,22)(17,20)(24,25,26,27);(15,16,18)(17,19,22)(20,23,21)

Conjugacy classes & character table

300 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1620, 23);