Finite Group Databasebeta
Cayley diagram

(C3⋊D3)⋊C9 #4168

order162
isoclinismisoclinic class of (C3⋊D3)⋊C3
automorphismAut(G) = C3×((C3⋊D3)⋊C3)⋊C2 (order 324) · Inn(G) = (C3⋊D3)⋊C3 · Out(G) = C2×C3
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect product(C3⋊D3)⋊C9

Splittings

Fitting, SylowC32⋊C9 ⋊ C2
derivedC32 ⋊ C2×C9

Subgroups

subgroupG/H
center, hypercenterC3(C3⋊D3)⋊C3
commutator, hypocenterC32C2×C9
Frattini, socleC32C3×D3
FittingC32⋊C9C2
prime radicalC3×C3⋊D3C3
cosocleC33C2×C3
LCSG ▷ C32
UCSC1 ◁ C3

28 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 18

A minimal faithful permutation representation — 2 generators on 18 points:

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

Polycyclic presentation:

2,3^4|b^3=c,d^a=d^2,e^a=e^2,d^b=de

Conjugacy classes & character table

30 conjugacy classes — view the full character table.

Relationships

maximal subgroup of((C3⋊D3)⋊C9)⋊C2, C2×(C3⋊D3)⋊C9, #92160, …
maximal normal subgroup of((C3⋊D3)⋊C9)⋊C2, C2×(C3⋊D3)⋊C9, C3×(C3⋊D3)⋊C9, …
maximal quotient of(C3⋊Dic3)⋊C9, C2×(C3⋊D3)⋊C9, #92158, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(162, 4);