Finite Group Databasebeta

#72242172

order2560
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC5×#1418 ⋊ C4
SylowC5 ⋊ #151972

Subgroups

subgroupG/H
centerC2#13025877
commutatorC5×C16C2×C42
FrattiniC2×C16C22×AGL(1,𝔽5)
FittingC5×#1418C4
socleC2×C5#12637
prime radicalD5×#508C22
cosocleC2×D5×C16C23
hypercenter#1418AGL(1,𝔽5)
hypocenterC5#151972
LCSG ▷ C5×C16 ▷ C5×C8 ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16 ◁ #1418

576 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 160

Polycyclic presentation:

2^9,5|a^2=e,b^2=fi,c^2=d,e^2=ghi,g^2=hi,h^2=i,b^a=bef,c^a=chi,d^a=di,e^b=eg,e^c=ei,f^a=fi,g^b=gh,h^b=hi,j^c=j^3,j^d=j^4

Conjugacy classes & character table

94 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#13658
maximal normal subgroup ofAGL(1,𝔽5)×#13658

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