Finite Group Databasebeta

D5⋊#1869 #13034835

order1280
automorphism?
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C28

Aliases

unambiguous semidirect productD5⋊#1869

Splittings

SylowC5 ⋊ C2×#1869

Subgroups

subgroupG/H
centerC22×C4C22×AGL(1,𝔽5)
commutatorC22×C5C23×C8
FrattiniC23C23×AGL(1,𝔽5)
FittingC2×C4×C5×D4C4
socleC23×C5C23×C4
prime radicalC22×D4×D5C4
cosocleC22×Dic5C24
hypercenterC2×C4×D4AGL(1,𝔽5)
hypocenterC5C2×#1869
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22×C4 ◁ C2×C4×D4

2438 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 320

Polycyclic presentation:

2^8,5|a^2=g,b^2=eg,g^2=h,b^a=be,c^a=cf,i^a=i^3,i^b=i^2,i^d=i^4,i^g=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, 1105103);