Finite Group Databasebeta
Cayley diagram

C3×C9×Dic3 #66399

order324
isoclinismisoclinic class of D3
automorphismAut(G) = C22×D3×#272 (order 1296) · Inn(G) = D3 · Out(G) = C22×#272
homologyAbelianization (H1) = C3×C4×C9 · Schur multiplier (H2) = C3

Aliases

direct productC3×C9×Dic3
unambiguous semidirect productC3⋊(C3×C4×C9)

Splittings

derivedC3 ⋊ C3×C4×C9
SylowC32×C9 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C3×C9D3
commutator, hypocenterC3C3×C4×C9
FrattiniC2×C3C32×D3
FittingC2×C32×C9C2
socle, prime radicalC2×C33C2×C3
cosocleC2×C32C2×C32
LCSG ▷ C3
UCSC1 ◁ C2×C3×C9

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 108

A minimal faithful permutation representation — 2 generators on 19 points:

(5,6)(7,8,10,9,11,13,12,14,15)(16,17,18,19);(1,2,3)(4,5,6)

Conjugacy classes & character table

162 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×#6189, C3×Dic3×D9, C3×(C3⋊D9)⋊C4, …
maximal normal subgroup ofC3×#6189, C3×Dic3×D9, C3×(C3⋊D9)⋊C4, …
maximal quotient ofC3×C9×C3⋊C8, C2×C3×C9×Dic3, C3×C9×Dic9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(324, 91);