Finite Group Databasebeta

#72271922

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

Aliases

No aliases for this group.

Splittings

FittingC3×#12727 ⋊ C2
SylowC3 ⋊ #493480

Subgroups

subgroupG/H
centerC2#10794322
commutatorC22×C3×C4C23×C4
FrattiniC22×D4C23×D3
FittingC3×#12727C2
socleC2×C3#20585
prime radical#11704066C2
cosocleC22×C3×D4C24
hypercenter#12727D3
hypocenterC3#493480
LCSG ▷ C22×C3×C4 ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2 ◁ C23 ◁ #518 ◁ #12727

5234 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)(6,14,13,15)(9,17,12,18);(2,3)(6,13)(14,15);(4,6)(5,9)(7,15,16,14)(8,13)(10,18,19,17)(11,12);(4,5)(6,12,13,9)(7,10)(8,11)(14,18,15,17)(16,19)

Polycyclic presentation:

2^9,3|a^2=h,b^2=e,d^2=h,f^2=i,b^a=bg,c^a=ch,c^b=cgi,d^b=df,e^d=eh,f^b=fhi,f^e=fi,g^a=gi,h^b=hi,j^c=j^2

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72271950, D3×#493480
maximal normal subgroup of#72271950, D3×#493480

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