Finite Group Databasebeta
Cayley diagram

C3⋊((C3⋊D3)⋊C9) #92291

order486
isoclinismisoclinic class of C3⋊((C3⋊D3)⋊C3)
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C32

Aliases

unambiguous semidirect productC3⋊((C3⋊D3)⋊C9)

Splittings

Fitting, SylowC3×C32⋊C9 ⋊ C2
derivedC33 ⋊ C2×C9

Subgroups

subgroupG/H
center, hypercenterC3C3⋊((C3⋊D3)⋊C3)
commutator, hypocenterC33C2×C9
FrattiniC32C3×C3⋊D3
FittingC3×C32⋊C9C2
socleC33C3×D3
prime radicalC3×C3⋊(C3⋊D3)C3
cosocleC34C2×C3
LCSG ▷ C33
UCSC1 ◁ C3

135 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 54

A minimal faithful permutation representation — 3 generators on 21 points:

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

Polycyclic presentation:

2,3^5|b^3=c,d^a=d^2,e^a=e^2,f^a=f^2,d^b=df

Conjugacy classes & character table

63 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×(C3⋊D3)⋊C9, #4169⋊D3, #11757746, …
maximal normal subgroup ofD3×(C3⋊D3)⋊C9, #4169⋊D3, #11757746, …
maximal quotient ofC3⋊((C3⋊Dic3)⋊C9), C2×C3⋊((C3⋊D3)⋊C9), C3⋊#92158, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(486, 136);