Finite Group Databasebeta

D5×D909 #32911405

order18180
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD5×D909
unambiguous semidirect product(C9×D5)⋊D101
unambiguous semidirect product(D5×C101)⋊D9

Splittings

Fitting, derived, HallC5×C9×C101 ⋊ C22
HallC9×C101 ⋊ C2×D5
HallC5×C101 ⋊ C2×D9
SylowC101 ⋊ D5×D9
HallC5×C9 ⋊ C2×D101
SylowC9 ⋊ D5×D101
SylowC5 ⋊ C2×D909

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C9×C101C22
FrattiniC3D5×D303
socleC3×C5×C101C2×D3
LCSG ▷ C5×C9×C101
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4545

Conjugacy classes & character table

1824 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18180, 38);