Finite Group Databasebeta

#72309594

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×#121
commutatorC42C24×C4
Frattini, cosocleC2×C42C25
prime radicalC2×#19180C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

4089 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:

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

Polycyclic presentation:

2^10|a^2=h,b^2=f,c^2=gi,d^2=f,g^2=i,h^2=j,b^a=bh,c^a=cg,c^b=cj,d^a=dj,e^b=ej,e^c=ei,g^a=gi,h^b=hj

Conjugacy classes & character table

148 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72309619
maximal normal subgroup of#72309619

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