Finite Group Databasebeta
Cayley diagram

C3×C3⋊D9 #4202

order162
isoclinismisoclinic class of C3⋊D9
automorphismAut(G) = C2×#72210336 (order 5832) · Inn(G) = C3⋊D9 · Out(G) = C2×#272
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C3

Aliases

direct productC3×C3⋊D9
unambiguous semidirect productC3⋊(C3×D9)

Splittings

Fitting, SylowC32×C9 ⋊ C2
derivedC3×C9 ⋊ C2×C3

Subgroups

subgroupG/H
center, hypercenterC3C3⋊D9
commutator, cosocle, hypocenterC3×C9C2×C3
FrattiniC3C3×C3⋊D3
FittingC32×C9C2
socleC33D3
LCSG ▷ C3×C9
UCSC1 ◁ C3

55 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 54

A minimal faithful permutation representation — 3 generators on 15 points:

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

Conjugacy classes & character table

45 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×D3×D9, D3×C3⋊D9, #66431, …
maximal normal subgroup ofC3×D3×D9, D3×C3⋊D9, #66431, …
maximal quotient ofC3×C3⋊Dic9, C2×C3×C3⋊D9, C9×C3⋊D9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(162, 38);