Finite Group Databasebeta

#72225551

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C42×D4
commutatorC42C22×C42
Frattini, cosocleC2×C4×C8C24
socleC22D4×#97
prime radicalC2×#135M16
LCSG ▷ C42 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ #11404 ◁ G
LECSG ▷ C2×C4×C8 ▷ C2×C4 ▷ C2 ▷ C1

873 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^10|b^2=f,c^2=e,d^2=ghi,f^2=h,g^2=i,h^2=j,c^a=cg,c^b=cghj,d^a=dg,d^b=dg,d^c=dij,e^a=ei,e^b=eij,f^c=fj,g^a=gi,g^b=gi

Conjugacy classes & character table

130 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72227216, #72227286, #72258182, …
maximal normal subgroup of#72227216, #72227286, #72258182, …
maximal quotient of#72225553

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