Finite Group Databasebeta

D5⋊#1819 #13034360

order1280
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

unambiguous semidirect productD5⋊#1819

Splittings

FittingC22×C5×C22⋊C4 ⋊ C4
SylowC5 ⋊ C2×#1819

Subgroups

subgroupG/H
centerC22C22×C22⋊AGL(1,𝔽5)
commutatorC23×C5C23×C4
FrattiniC23C23×AGL(1,𝔽5)
FittingC22×C5×C22⋊C4C4
socleC22×C5C22×C22⋊C4
prime radicalC25×D5C22
cosocleC23×D5C24
hypercenterC22×C22⋊C4AGL(1,𝔽5)
hypocenterC5C2×#1819
LCSG ▷ C23×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22 ◁ C25 ◁ C22×C22⋊C4

3118 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 80

Polycyclic presentation:

2^8,5|a^2=g,c^2=e,b^a=be,c^a=cf,f^a=fh,i^a=i^2,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, 1104628);