Finite Group Databasebeta

#72319260

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C2×C4×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×#322
commutatorC2×C8C2×C4×C8
Frattini, cosocleC2×#346C23
socleC22C2×#1313
prime radicalC23C2×#347
LCSG ▷ C2×C8 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#346 ◁ G
LECSG ▷ C2×#346 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

365 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 36 points:

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

Polycyclic presentation:

2^10|a^2=e,b^2=f,c^2=d,d^2=g,f^2=h,h^2=i,i^2=j,b^a=be,c^b=chij,d^b=di,f^c=fi,f^d=fj,g^b=gj,h^c=hj

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72319281, #72319431, D4×#7333
maximal normal subgroup of#72319281, #72319431, D4×#7333

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