Finite Group Databasebeta

D5⋊#2977 #13045034

order1280
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

unambiguous semidirect productD5⋊#2977

Splittings

SylowC5 ⋊ C2×#2977

Subgroups

subgroupG/H
centerC2×C4C23×AGL(1,𝔽5)
commutator, socleC22×C5C24×C4
FrattiniC22C24×AGL(1,𝔽5)
FittingC5×#525C4
prime radicalD5×#525C2
cosocleC2×Dic5C25
hypercenter#525AGL(1,𝔽5)
hypocenterC5C2×#2977
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ #525

2362 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 160

Polycyclic presentation:

2^8,5|a^2=g,g^2=h,b^a=bf,d^a=df,i^a=i^2,c^b=cfh,d^b=dh,i^e=i^4,i^g=i^4

Conjugacy classes & character table

128 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1115302);