Finite Group Databasebeta

#72254154

order1536
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC3×#20615 ⋊ C2
SylowC3 ⋊ #494622

Subgroups

subgroupG/H
centerC22C2×#5032
commutatorC2×C3×Q8C23×C4
FrattiniC22×Q8C23×D3
FittingC3×#20615C2
socleC22×C3C2×B(4,𝔽2)
prime radicalC2×#84122C2
cosocleC22×C3×Q8C24
hypercenter#20615D3
hypocenterC3#494622
LCSG ▷ C2×C3×Q8 ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#41 ◁ #20615

4056 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 23
transitive degreeμt(G) = 192

A minimal faithful permutation representation — 4 generators on 23 points:

(5,7)(6,12)(8,17)(9,14)(10,18)(11,13)(15,16)(19,20)(21,22,23);(1,3,4,2)(6,11,13,12)(8,16)(10,18,19,20)(15,17)(22,23);(5,6)(7,12)(8,10)(9,13)(11,14)(15,20)(16,19)(17,18);(1,2,4,3)(6,10,13,19)(7,14)(11,20,12,18)(15,17)

Polycyclic presentation:

2^9,3|a^2=e,c^2=e,f^2=i,g^2=i,b^a=befi,c^a=chi,c^b=cegi,d^a=dh,d^c=dhi,e^b=ei,f^c=fh,f^d=fi,g^a=gh,g^d=gi,g^f=gi,h^b=hi,j^c=j^2

Conjugacy classes & character table

132 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72254161, D3×#494622, #72270142
maximal normal subgroup of#72254161, D3×#494622, #72270142

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h", "i", "j");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 3]);;
gap> SetPower(coll, 1, F.5);;
gap> SetPower(coll, 3, F.5);;
gap> SetPower(coll, 6, F.9);;
gap> SetPower(coll, 7, F.9);;
gap> SetConjugate(coll, 2, 1, F.2*F.5*F.6*F.9);;
gap> SetConjugate(coll, 3, 1, F.3*F.8*F.9);;
gap> SetConjugate(coll, 3, 2, F.3*F.5*F.7*F.9);;
gap> SetConjugate(coll, 4, 1, F.4*F.8);;
gap> SetConjugate(coll, 4, 3, F.4*F.8*F.9);;
gap> SetConjugate(coll, 5, 2, F.5*F.9);;
gap> SetConjugate(coll, 6, 3, F.6*F.8);;
gap> SetConjugate(coll, 6, 4, F.6*F.9);;
gap> SetConjugate(coll, 7, 1, F.7*F.8);;
gap> SetConjugate(coll, 7, 4, F.7*F.9);;
gap> SetConjugate(coll, 7, 6, F.7*F.9);;
gap> SetConjugate(coll, 8, 2, F.8*F.9);;
gap> SetConjugate(coll, 10, 3, F.10^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);