Finite Group Databasebeta

D5⋊#5240 #14411931

order1920
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

unambiguous semidirect productD5⋊#5240

Splittings

FittingC2×C3×C5×#41 ⋊ C4
HallC3×C5 ⋊ C2×#410
SylowC5 ⋊ C2×#5240
SylowC3 ⋊ D5⋊#410

Subgroups

subgroupG/H
centerC4C2×#6763
commutatorC22×C3×C5C23×C4
FrattiniC22C23×ΓL(1,𝔽16)
FittingC2×C3×C5×#41C4
socleC2×C3×C5C22×C22⋊C4
prime radicalC2×C3×D5×#41C2
cosocleC22×C3×D5C24
hypercenterC2×#41ΓL(1,𝔽16)
hypocenterC3×C5C2×#410
LCSG ▷ C22×C3×C5 ▷ C2×C3×C5 ▷ C3×C5
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×#41

1576 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 240

Polycyclic presentation:

2^7,3,5|a^2=f,c^2=g,b^a=be,e^a=eg,h^a=h^2,i^a=i^2,f^b=fg,i^d=i^4,i^f=i^4

Conjugacy classes & character table

144 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1920, 137629);