Finite Group Databasebeta

#72309459

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C2×D42
commutatorC42C24×C4
Frattini, cosocleC2×C42C25
prime radicalC22×D8C2×D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

3586 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 512

A minimal faithful permutation representation — 5 generators on 28 points:

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

Polycyclic presentation:

2^10|a^2=h,b^2=f,c^2=j,e^2=fj,g^2=i,h^2=j,b^a=bhj,c^b=cj,d^b=di,d^c=dg,e^a=ej,g^c=gi,g^d=gi,h^b=hj

Conjugacy classes & character table

130 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309619, #72309870, #72309970
maximal normal subgroup of#72309619, #72309870, #72309970

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