Finite Group Databasebeta

#72314216

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

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×#442
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radical#7623725C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C4×D4 ◁ #20495 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

2682 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:

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

Polycyclic presentation:

2^10|a^2=f,c^2=f,d^2=h,e^2=g,g^2=i,i^2=j,b^a=bh,d^a=dh,d^b=dj,d^c=dj,e^a=eij,e^b=ehj,e^c=eg,e^d=egi,f^e=fj,g^a=gj,g^c=gi,g^d=gij,i^c=ij,i^d=ij

Conjugacy classes & character table

109 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72314251, #72314408, #72314497, …
maximal normal subgroup of#72314251, #72314408, #72314497, …

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