Finite Group Databasebeta

D19×D225 #30685389

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

Aliases

direct productD19×D225
unambiguous semidirect product(C9×D19)⋊D25
unambiguous semidirect product(C25×D19)⋊D9

Splittings

Fitting, derived, HallC9×C19×C25 ⋊ C22
HallC19×C25 ⋊ C2×D9
HallC9×C25 ⋊ C2×D19
HallC9×C19 ⋊ C2×D25
SylowC25 ⋊ D9×D19
SylowC19 ⋊ C2×D225
SylowC9 ⋊ D19×D25

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C19×C25C22
FrattiniC3×C5D15×D19
socleC3×C5×C19C2×D15
LCSG ▷ C9×C19×C25
UCSC1

90 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, 26);