Finite Group Databasebeta

#72304590

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C27 · Schur multiplier (H2) = C219

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C27
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

At least 9675 conjugacy classes of subgroups; only the 31853 normal subgroups are shown.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 7 generators on 28 points:

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

Polycyclic presentation:

2^10|a^2=i,b^2=j,c^2=ij,d^2=j,g^2=ij,c^a=ci,d^a=dij,d^b=dij,d^c=dj,e^a=ei,e^b=ei,e^c=ei,e^d=ei,f^a=fh,f^b=fh,f^c=fh,f^d=fh,g^a=gij,g^b=gij,g^c=gj,g^e=gij,g^f=gij

Conjugacy classes & character table

202 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72304735
maximal normal subgroup of#72304735

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