Finite Group Databasebeta

#72242722

order2560
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Splittings

FittingC5×#1783 ⋊ C4
SylowC5 ⋊ #146457

Subgroups

subgroupG/H
centerC22C2×#64866
commutatorC24×C5C2×C42
FrattiniC22×D4C22×AGL(1,𝔽5)
FittingC5×#1783C4
socleC22×C5C2×#342
prime radicalC23×D4×D5C22
cosocleC22×D4×D5C23
hypercenter#1783AGL(1,𝔽5)
hypocenterC5#146457
LCSG ▷ C24×C5 ▷ C22×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C24 ◁ C23×D4 ◁ #1783

6744 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Polycyclic presentation:

2^9,5|a^2=d,c^2=e,d^2=i,b^a=bf,c^a=cg,d^b=di,d^c=dh,f^a=fi,g^a=gh,g^d=gi,h^a=hi,j^c=j^3,j^e=j^4

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#12687, #72242830, #72242841, …
maximal normal subgroup ofAGL(1,𝔽5)×#12687, #72242830, #72242841, …

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