Finite Group Databasebeta

#72339975

order2048
nilpotency class2
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C217

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC25C26
prime radicalC25×#120C2
LCSG ▷ C25 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C25 ▷ C1

2658704 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 6 generators on 28 points:

(1,2,3,4)(6,8)(10,12)(13,14)(15,19)(16,17)(18,20)(22,25)(26,27);(2,4)(6,8)(10,12)(13,14)(15,19)(16,17)(18,20)(21,22,24,25)(23,26,28,27);(2,4)(5,6,7,8)(10,12)(14,17)(15,20)(21,23)(22,26)(24,28)(25,27);(9,10)(11,12)(13,14)(15,18)(16,17)(19,20);(1,2)(3,4)(5,6)(7,8)(9,10)(11,12);(13,15)(14,18)(16,20)(17,19)(21,22)(23,27)(24,25)(26,28)

Polycyclic presentation:

2^11|a^2=g,b^2=gh,c^2=ghjk,b^a=bh,c^a=chj,c^b=cghj,d^a=di,d^b=di,d^c=dik,e^a=ehijk,e^b=ehijk,e^c=ehijk,f^a=fghk,f^b=fghk,f^c=fghk

Conjugacy classes & character table

296 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72339997
maximal normal subgroup of#72339997

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