Finite Group Databasebeta

#72315213

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C23×#106
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radicalC2×#532D4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×#532 ◁ C2×#2931 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

2915 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 40 points:

(1,2)(3,6)(4,5)(7,8)(9,10)(11,16)(12,17)(13,15)(14,18)(19,30)(20,27)(21,31)(22,32)(23,33)(24,28)(25,29)(26,34)(35,38)(36,40)(37,39);(2,5)(3,7)(10,15)(16,27)(17,28)(18,29)(30,38)(31,34)(32,39)(33,40);(11,19,20,35)(12,22)(14,25)(16,30,27,38)(17,32)(18,29)(21,36,26,23)(24,37)(28,39)(31,40,34,33);(1,3)(2,6)(4,7)(5,8)(10,15)(16,27)(17,28)(18,29)(30,38)(31,34)(32,39)(33,40);(3,7)(6,8)(9,11,14,26,13,20,25,21)(10,16,18,34,15,27,29,31)(12,23,22,19,24,36,37,35)(17,33,32,30,28,40,39,38)

Polycyclic presentation:

2^10|c^2=f,e^2=fi,g^2=i,i^2=j,b^a=bh,d^a=dj,d^b=dhj,e^c=eg,e^d=ehj,f^e=fj,g^c=gi,g^e=gi,i^c=ij,i^e=ij

Conjugacy classes & character table

130 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72315218, #72315286, #72315522
maximal normal subgroup of#72315218, #72315286, #72315522

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