Finite Group Databasebeta

C19×D495 #34037825

order18810
automorphism?
homologyAbelianization (H1) = C2×C19 · Schur multiplier (H2) = C1

Aliases

direct productC19×D495
unambiguous semidirect productC5⋊(C19×D99)
unambiguous semidirect productC9⋊(C19×D55)
unambiguous semidirect productC11⋊(C19×D45)

Splittings

Fitting, HallC5×C9×C11×C19 ⋊ C2
derived, HallC5×C9×C11 ⋊ C2×C19
HallC9×C11×C19 ⋊ D5
HallC5×C11×C19 ⋊ D9
HallC5×C9×C19 ⋊ D11
HallC11×C19 ⋊ D45
HallC9×C19 ⋊ D55
HallC9×C11 ⋊ D5×C19
HallC5×C19 ⋊ D99
HallC5×C11 ⋊ D9×C19
HallC5×C9 ⋊ C19×D11
SylowC11 ⋊ C19×D45
SylowC9 ⋊ C19×D55
SylowC5 ⋊ C19×D99

Subgroups

subgroupG/H
center, hypercenterC19D495
commutator, cosocle, hypocenterC5×C9×C11C2×C19
FrattiniC3C19×D165
FittingC5×C9×C11×C19C2
socleC3×C5×C11×C19D3
LCSG ▷ C5×C9×C11
UCSC1 ◁ C19

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9405

Conjugacy classes & character table

4731 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD19×D495, C19×D11×D45, D209⋊D45, …
maximal normal subgroup ofD19×D495, C19×D11×D45, D209⋊D45, …
maximal quotient ofC19×Dic495, C2×C19×D495

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18810, 18);