Finite Group Databasebeta

C9⋊#11925894 #24926101

order10890
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#11925894

Splittings

Fitting, derived, HallC9×C112 ⋊ C2×C5
HallC9×#10597244 ⋊ C2
HallC9⋊(C11⋊D11) ⋊ C5
Hall#10597244 ⋊ D9
SylowC112 ⋊ C5×D9
SylowC9 ⋊ #11925894

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C112C2×C5
FrattiniC3C3⋊#11925894
socleC3×C112C5×D3
LCSG ▷ C9×C112
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,5,3,11^2,3|c^3=f^2,c^a=c^2f,d^a=d^10,e^a=e^10,f^a=f^2,d^b=d^4,e^b=e^9

Conjugacy classes & character table

138 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×#11925894, #11925897⋊D9, #11925898⋊D9, …
maximal normal subgroup ofD9×#11925894, #11925897⋊D9, #11925898⋊D9, …
maximal quotient ofC9⋊#14559053, C2×C9⋊#11925894

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10890, 50);