Finite Group Databasebeta

(C3⋊D3)⋊C3×C3⋊AGL(1,ℤ/9) #72243980

order8748
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C2×C33

Aliases

direct product(C3⋊D3)⋊C3×C3⋊AGL(1,ℤ/9)

Splittings

Fitting, SylowC3×H(3,𝔽3)×3−1+2 ⋊ C22
derivedC33×C9 ⋊ C22×C32

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC33×C9C22×C32
FrattiniC32C32×D3×C3⋊D3
FittingC3×H(3,𝔽3)×3−1+2C22
socleC33C32×D32
LCSG ▷ C33×C9
UCSC1

4156 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 162

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

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

Conjugacy classes & character table

210 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72243996, D3×(C3⋊D3)⋊C3×AGL(1,ℤ/9)
maximal normal subgroup ofD3×(C3⋊D3)⋊C3×AGL(1,ℤ/9)
maximal quotient of#72243996

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

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