Finite Group Databasebeta

D15⋊D419 #38737606

order25140
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD15⋊D419
unambiguous semidirect productD1257⋊D5
unambiguous semidirect productD2095⋊D3

Splittings

Fitting, socle, derived, HallC3×C5×C419 ⋊ C22
HallC5×C419 ⋊ C2×D3
HallC3×C419 ⋊ C2×D5
SylowC419 ⋊ D3×D5
HallC3×C5 ⋊ C2×D419
SylowC5 ⋊ D3×D419
SylowC3 ⋊ D5×D419

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C419C22
LCSG ▷ C3×C5×C419
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6285

Polycyclic presentation:

2^2,3,5,419|d^a=d^4,e^a=e^418,c^b=c^2,d^b=d^4

Conjugacy classes & character table

1893 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(25140, 20);