Finite Group Databasebeta

#72227185

order2048
nilpotency class4
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC22×C4C4×#106
commutatorC4×C8C2×C4×C8
Frattini, cosocleC4×C82C23
socle, prime radicalC23#8283
LCSG ▷ C4×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C4×#346 ◁ C8×#346 ◁ G
LECSG ▷ C4×C82 ▷ C2×C42 ▷ C22 ▷ C1

710 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 2048

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^11|a^2=d,b^2=e,c^2=fj,d^2=g,e^2=h,f^2=i,g^2=j,h^2=j,i^2=k,b^a=bhijk,c^a=cf,d^b=dj,d^c=dk,e^a=ejk,f^a=fi,i^a=ik

Conjugacy classes & character table

272 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72227217, #72227243, #72227255, …
maximal normal subgroup of#72227217, #72227243, #72227255, …
maximal quotient of#72227186

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