Finite Group Databasebeta

#72234282

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C8×C32 · Schur multiplier (H2) = C2×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4×C8C42
commutatorC4C8×C32
Frattini, cosocleC42×C16C22
socle, prime radicalC23#1374
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42×C16 ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

359 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 56
transitive degreeμt(G) = 1024

A minimal faithful permutation representation — 2 generators on 56 points:

(9,10)(11,17,18,23)(12,16)(13,15)(14,19,21,24)(20,22)(25,26,27,31,28,32,35,41,29,33,36,42,38,44,47,51,30,34,37,43,39,45,48,52,40,46,49,53,50,54,55,56);(1,2,3,5,4,6,7,8)(9,11)(10,14,15,21)(12,19)(13,18)(16,17,22,23)(20,24)

Polycyclic presentation:

2^10|a^2=c,b^2=d,c^2=f,d^2=g,e^2=h,f^2=i,i^2=j,b^a=be,c^b=ch,d^a=dh

Conjugacy classes & character table

352 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72234289
maximal normal subgroup of#72234289
maximal quotient of#72234283, #72234284, #72234312, …

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