Finite Group Databasebeta

#72225901

order1536
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C8

Aliases

No aliases for this group.

Splittings

SylowC3 ⋊ #141758

Subgroups

subgroupG/H
centerC22#72039
commutatorC3×C4×C8C22×C4
FrattiniC2×C4×C8C22×D3
Fitting, prime radicalC3×#33717C2
socleC22×C3#1972
cosocleC2×C3×C4×C8C23
hypercenter#33717D3
hypocenterC3#141758
LCSG ▷ C3×C4×C8 ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ #33717

868 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 384

A minimal faithful permutation representation — 3 generators on 27 points:

(1,2,3)(12,14,15,21,17,26,16,24,19,25,20,13,18,22,27,23);(2,3)(4,5,9,11,7,10,6,8)(12,13,20,22,17,23,27,14,19,21,15,26,18,24,16,25);(2,3)(5,8)(6,9)(10,11)(13,14,21,25)(15,16)(17,18)(20,27)(22,24,26,23)

Polycyclic presentation:

2^9,3|a^2=d,b^2=dfhi,c^2=e,e^2=g,f^2=h,g^2=i,h^2=i,b^a=bf,c^a=ce,c^b=cgi,d^b=di,d^c=di,e^a=eg,e^b=ei,f^a=fh,f^b=fi,g^a=gi,h^a=hi,j^a=j^2,j^b=j^2

Conjugacy classes & character table

108 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72225906
maximal normal subgroup of#72225906
maximal quotient of#72226088, #72226202

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.4);;
gap> SetPower(coll, 2, F.4*F.6*F.8*F.9);;
gap> SetPower(coll, 3, F.5);;
gap> SetPower(coll, 5, F.7);;
gap> SetPower(coll, 6, F.8);;
gap> SetPower(coll, 7, F.9);;
gap> SetPower(coll, 8, F.9);;
gap> SetConjugate(coll, 2, 1, F.2*F.6);;
gap> SetConjugate(coll, 3, 1, F.3*F.5);;
gap> SetConjugate(coll, 3, 2, F.3*F.7*F.9);;
gap> SetConjugate(coll, 4, 2, F.4*F.9);;
gap> SetConjugate(coll, 4, 3, F.4*F.9);;
gap> SetConjugate(coll, 5, 1, F.5*F.7);;
gap> SetConjugate(coll, 5, 2, F.5*F.9);;
gap> SetConjugate(coll, 6, 1, F.6*F.8);;
gap> SetConjugate(coll, 6, 2, F.6*F.9);;
gap> SetConjugate(coll, 7, 1, F.7*F.9);;
gap> SetConjugate(coll, 8, 1, F.8*F.9);;
gap> SetConjugate(coll, 10, 1, F.10^2);;
gap> SetConjugate(coll, 10, 2, F.10^2);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);