Finite Group Databasebeta

D5⋊#1571 #13031360

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD5⋊#1571

Splittings

SylowC5 ⋊ C2×#1571

Subgroups

subgroupG/H
centerC2×C4C2×C4⋊AGL(1,𝔽5)
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×#431C4
socleC22×C5C22×C4⋊C4
prime radicalC23×D5C4⋊C4
cosocleC4×Dic5C24
hypercenter#431AGL(1,𝔽5)
hypocenterC5C2×#1571
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ #431

770 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 320

Polycyclic presentation:

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

Conjugacy classes & character table

116 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1101628);