Finite Group Databasebeta

#72242740

order2560
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Splittings

FittingC5×#2021 ⋊ C4
SylowC5 ⋊ #375865

Subgroups

subgroupG/H
centerC22AGL(1,𝔽5)×#120
commutatorC24×C5C23×C4
FrattiniC24C23×AGL(1,𝔽5)
FittingC5×#2021C4
socleC22×C5C4×#120
prime radicalD5×#2021C2
cosocleC24×D5C24
hypercenter#2021AGL(1,𝔽5)
hypocenterC5#375865
LCSG ▷ C24×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C24 ◁ #2021

7032 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Polycyclic presentation:

2^9,5|a^2=h,d^2=e,b^a=bg,c^a=ch,c^b=cf,d^a=dhi,d^b=dgi,f^a=fi,g^a=gi,h^b=hi,j^d=j^3,j^e=j^4

Conjugacy classes & character table

118 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×#23900, #72243541, #72243964, …
maximal normal subgroup ofAGL(1,𝔽5)×#23900, #72269861, #72269864

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