Finite Group Databasebeta

D19×C5⋊D45 #30685599

order17100
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2×C5

Aliases

direct productD19×C5⋊D45
unambiguous semidirect product(C5×D19)⋊D45
unambiguous semidirect product(C9×D19)⋊(C5⋊D5)

Splittings

Fitting, derived, HallC52×C9×C19 ⋊ C22
HallC52×C19 ⋊ C2×D9
HallC52×C9 ⋊ C2×D19
HallC9×C19 ⋊ C2×C5⋊D5
SylowC52 ⋊ D9×D19
SylowC19 ⋊ C2×C5⋊D45
SylowC9 ⋊ D19×C5⋊D5

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC52×C9×C19C22
FrattiniC3D19×C3⋊(C5⋊D5)
socleC3×C52×C19C2×D3
LCSG ▷ C52×C9×C19
UCSC1

240 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4275

Conjugacy classes & character table

1254 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17100, 236);