Finite Group Databasebeta

#72319684

order2048
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D4×#442
commutatorC4×C8C24×C4
Frattini, cosocleC2×C4×C8C25
prime radical#72319599C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ #184045 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

4501 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 48
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 48 points:

(17,18)(19,26)(20,27)(21,28)(22,37)(23,29)(24,39)(25,30)(31,40)(32,45)(33,41)(34,43)(35,47)(36,44)(38,48)(42,46);(2,6,8,15)(3,9)(4,12)(7,10,13,16)(11,14)(17,19,23,21,25,22,24,32)(18,26,29,28,30,37,39,45)(20,31,34,33,36,38,35,46)(27,40,43,41,44,48,47,42);(1,2)(3,10)(4,13)(5,8)(6,14)(7,12)(9,15)(11,16)(17,20)(18,27)(19,31)(21,33)(22,38)(23,34)(24,35)(25,36)(26,40)(28,41)(29,43)(30,44)(32,46)(37,48)(39,47)(42,45);(2,7,8,13)(3,11)(6,10,15,16)(9,14)(17,21,24,19,25,32,23,22)(18,28,39,26,30,45,29,37)(20,33,35,31,36,46,34,38)(27,41,47,40,44,42,43,48);(17,22,23,32,25,19,24,21)(18,28,39,26,30,45,29,37)(20,31,34,33,36,38,35,46)(27,42,47,48,44,41,43,40)

Polycyclic presentation:

2^11|b^2=f,d^2=fj,e^2=hj,f^2=j,g^2=i,h^2=j,i^2=k,c^b=cg,d^c=dik,e^a=eh,e^c=ej,f^c=fk,g^b=gi,g^c=gik,g^d=gk,h^a=hj,i^b=ik,i^c=ik

Conjugacy classes & character table

137 conjugacy classes — view the full character table.

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", "k");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 2, F.6);;
gap> SetPower(coll, 4, F.6*F.10);;
gap> SetPower(coll, 5, F.8*F.10);;
gap> SetPower(coll, 6, F.10);;
gap> SetPower(coll, 7, F.9);;
gap> SetPower(coll, 8, F.10);;
gap> SetPower(coll, 9, F.11);;
gap> SetConjugate(coll, 3, 2, F.3*F.7);;
gap> SetConjugate(coll, 4, 3, F.4*F.9*F.11);;
gap> SetConjugate(coll, 5, 1, F.5*F.8);;
gap> SetConjugate(coll, 5, 3, F.5*F.10);;
gap> SetConjugate(coll, 6, 3, F.6*F.11);;
gap> SetConjugate(coll, 7, 2, F.7*F.9);;
gap> SetConjugate(coll, 7, 3, F.7*F.9*F.11);;
gap> SetConjugate(coll, 7, 4, F.7*F.11);;
gap> SetConjugate(coll, 8, 1, F.8*F.10);;
gap> SetConjugate(coll, 9, 2, F.9*F.11);;
gap> SetConjugate(coll, 9, 3, F.9*F.11);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);