Finite Group Databasebeta

D5⋊#1937 #13035252

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

unambiguous semidirect productD5⋊#1937

Splittings

FittingC5×#416 ⋊ C4
SylowC5 ⋊ C2×#1937

Subgroups

subgroupG/H
centerC2×C4D4×AGL(1,𝔽5)
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC5×#416C4
socleC22×C5C2×C4×D4
prime radicalC2×D5×#41C22
cosocleC2×C4×D5C24
hypercenter#416AGL(1,𝔽5)
hypocenterC5C2×#1937
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C4 ◁ C22×C4 ◁ #416

1114 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 160

Polycyclic presentation:

2^8,5|a^2=g,b^2=eg,c^2=e,e^2=h,f^2=h,g^2=h,b^a=be,c^a=cf,e^a=eh,f^a=fh,i^a=i^3,i^b=i^2,i^d=i^4,i^g=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, 1105520);