Finite Group Databasebeta

#72251502

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23#2404
commutator, Frattini, cosocleC26C24
prime radicalC2×#2403C22
LCSG ▷ C26 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C26 ◁ G
LECSG ▷ C26 ▷ C22 ▷ C1

4869 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 28 points:

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

Polycyclic presentation:

2^10|a^2=e,b^2=j,c^2=f,d^2=i,b^a=bg,c^a=cei,d^a=di,d^b=dgh,d^c=defi,e^b=ej,g^a=gj,g^c=gj,g^d=gi,h^a=hij,h^d=hi

Conjugacy classes & character table

82 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72251541, #72251667, #72255716
maximal normal subgroup of#72251541, #72251667, #72255716
maximal quotient of#72256106, #72256296

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