Finite Group Databasebeta
Cayley diagram

C4⋊(C3⋊Dic9) #88535

order432
isoclinismisoclinic class of #6226
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C3

Aliases

unambiguous semidirect productC4⋊(C3⋊Dic9)

Splittings

SylowC3×C9 ⋊ C4⋊C4

Subgroups

subgroupG/H
centerC22C2×C3⋊D9
commutatorC2×C3×C9C2×C4
FrattiniC22×C3C2×C3⋊D3
FittingC2×C3×C4×C9C2
socle, prime radicalC22×C32C2×D3
cosocleC22×C3×C9C22
hypercenterC2×C4C3⋊D9
hypocenterC3×C9C4⋊C4
LCSG ▷ C2×C3×C9 ▷ C3×C9
UCSC1 ◁ C22 ◁ C2×C4

130 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 432

A minimal faithful permutation representation — 3 generators on 20 points:

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

Polycyclic presentation:

2^4,3^3|a^2=c,b^2=d,e^3=g^2,b^a=bd,e^a=e^2g,f^a=f^2,g^a=g^2

Conjugacy classes & character table

114 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11720262, #11720264, #11720276, …
maximal normal subgroup of#11720262, #11720264, #11720276, …
maximal quotient ofC4⋊(C3⋊(C9⋊C8)), #11720535, #11720540, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(432, 182);