Finite Group Databasebeta

D5⋊#1814 #13034331

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

unambiguous semidirect productD5⋊#1814

Splittings

FittingC2×C5×#131 ⋊ C4
SylowC5 ⋊ C2×#1814

Subgroups

subgroupG/H
centerC4#65765
commutatorC2×C4×C5C23×C4
FrattiniC2×C4C23×AGL(1,𝔽5)
FittingC2×C5×#131C4
socleC2×C5C2×#380
prime radicalC2×D5×#41C22
cosocleC2×C4×D5C24
hypercenterC2×#131AGL(1,𝔽5)
hypocenterC5C2×#1814
LCSG ▷ C2×C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×#131

1330 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 160

Polycyclic presentation:

2^8,5|a^2=g,b^2=e,e^2=h,f^2=h,b^a=be,c^a=cf,e^a=eh,i^a=i^2,f^c=fh,g^c=gh,i^d=i^4,i^g=i^4

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1104599);