Finite Group Databasebeta

#72318909

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C2×#442
commutatorC2×C8C23×C8
Frattini, cosocleC2×C4×C8C24
prime radicalC2×#2186C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ #8144 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

1309 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

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

Polycyclic presentation:

2^10|a^2=f,b^2=e,e^2=h,f^2=i,i^2=j,b^a=bfij,c^a=cf,c^b=cfj,d^a=dg,d^c=dj,e^a=ej,e^c=ej,f^b=fi,f^c=fij,i^b=ij,i^c=ij

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72318912, #72318938, #72319294, …
maximal normal subgroup of#72318912, #72318938, #72319294, …
maximal quotient of#72322533

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