Finite Group Databasebeta
Cayley diagram

(C3⋊Dic3)⋊C9 #66315

order324
isoclinismisoclinic class of (C3⋊D3)⋊C3
automorphismAut(G) = C2×C3×((C3⋊D3)⋊C3)⋊C2 (order 648) · Inn(G) = (C3⋊D3)⋊C3 · Out(G) = C22×C3
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect product(C3⋊Dic3)⋊C9

Splittings

derivedC32 ⋊ C4×C9
SylowC32⋊C9 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C3(C3⋊D3)⋊C3
commutator, hypocenterC32C4×C9
Frattini, socleC2×C32C3×D3
FittingC2×C32⋊C9C2
prime radical, cosocleC2×C33C2×C3
LCSG ▷ C32
UCSC1 ◁ C2×C3

45 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 36

A minimal faithful permutation representation — 2 generators on 22 points:

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

Polycyclic presentation:

2,3,2,3^3|a^2=c,b^3=d,e^a=e^2,f^a=f^2,e^b=ef

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#4181⋊C4, #4169⋊C4, #10619537, …
maximal normal subgroup of#4181⋊C4, #4169⋊C4, #10619537, …
maximal quotient of(C3⋊(C3⋊C8))⋊C9, C2×(C3⋊Dic3)⋊C9, #11757281, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(324, 7);