Finite Group Databasebeta

#72271876

order1536
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Splittings

FittingC3×#21782 ⋊ C2
SylowC3 ⋊ #493635

Subgroups

subgroupG/H
centerC2#10794454
commutatorC2×C3×D4C23×C4
FrattiniC22×D4C23×D3
FittingC3×#21782C2
socleC2×C3#20609
prime radical#11707692C2
cosocleC22×C3×D4C24
hypercenter#21782D3
hypocenterC3#493635
LCSG ▷ C2×C3×D4 ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2 ◁ C23 ◁ C2×H(5,𝔽2) ◁ #21782

5326 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 48

A minimal faithful permutation representation — 4 generators on 19 points:

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

Polycyclic presentation:

2^9,3|b^2=g,d^2=h,f^2=i,b^a=bhi,c^a=ch,c^b=ce,d^b=df,d^c=dh,e^a=ei,e^d=eh,f^b=fi,f^c=fh,f^e=fi,g^a=gi,h^b=hi,j^c=j^2

Conjugacy classes & character table

108 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72271892, D3×#493635, #72272122
maximal normal subgroup of#72271892, D3×#493635, #72272122

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, 2, F.7);;
gap> SetPower(coll, 4, F.8);;
gap> SetPower(coll, 6, F.9);;
gap> SetConjugate(coll, 2, 1, F.2*F.8*F.9);;
gap> SetConjugate(coll, 3, 1, F.3*F.8);;
gap> SetConjugate(coll, 3, 2, F.3*F.5);;
gap> SetConjugate(coll, 4, 2, F.4*F.6);;
gap> SetConjugate(coll, 4, 3, F.4*F.8);;
gap> SetConjugate(coll, 5, 1, F.5*F.9);;
gap> SetConjugate(coll, 5, 4, F.5*F.8);;
gap> SetConjugate(coll, 6, 2, F.6*F.9);;
gap> SetConjugate(coll, 6, 3, F.6*F.8);;
gap> SetConjugate(coll, 6, 5, F.6*F.9);;
gap> SetConjugate(coll, 7, 1, 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);