Finite Group Databasebeta
Cayley diagram

C9⋊(C42⋊C3) #88453

order432
isoclinismisoclinic class of C9⋊(C42⋊C3)
automorphism?
homologyAbelianization (H1) = C32 · Schur multiplier (H2) = C4

Aliases

unambiguous semidirect productC9⋊(C42⋊C3)

Splittings

FittingC42×C9 ⋊ C3
SylowC42 ⋊ 3−1+2

Subgroups

subgroupG/H
centerC3C3×C42⋊C3
commutator, cosocleC3×C42C32
Frattini, socleC22×C3C3×A4
FittingC42×C9C3
prime radicalC3×C42⋊C3C3
hypercenterC9C42⋊C3
hypocenterC423−1+2
LCSG ▷ C3×C42 ▷ C42
UCSC1 ◁ C3 ◁ C9

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 108

A minimal faithful permutation representation — 2 generators on 21 points:

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

Polycyclic presentation:

3^3,2^4|b^3=c,d^2=fg,e^2=f,b^a=bc,d^a=e,e^a=deg,f^a=g,g^a=fg

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11720741, #11720743, #11720744, …
maximal normal subgroup of#11720741, #11720743, #11720744, …
maximal quotient ofC9⋊(#95⋊C3), C2×C9⋊(C42⋊C3), (C42⋊C9)⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(432, 100);