Finite Group Databasebeta

D5⋊#2164 #13043432

order1280
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C23×C4

Aliases

unambiguous semidirect productD5⋊#2164

Splittings

SylowC5 ⋊ C2×#2164

Subgroups

subgroupG/H
centerC2×C8C22×AGL(1,𝔽5)
commutator, socleC22×C5C23×C8
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×#405C4
prime radicalC23×D5C2×C8
cosocleC2×#168C24
hypercenter#405AGL(1,𝔽5)
hypocenterC5C2×#2164
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C2×C8 ◁ #405

610 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 320

Polycyclic presentation:

2^8,5|a^2=f,c^2=e,f^2=g,g^2=h,b^a=be,i^a=i^2,c^b=ch,i^d=i^4,i^f=i^4

Conjugacy classes & character table

152 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1113700);