Finite Group Databasebeta

C9⋊#11923884 #23780850

order10404
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C17

Aliases

unambiguous semidirect productC9⋊#11923884

Splittings

Fitting, derived, HallC9×C172 ⋊ C4
SylowC172 ⋊ Dic9
SylowC9 ⋊ #11923884

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC9×C172C4
FrattiniC3C3⋊#11923884
socleC3×C172Dic3
prime radicalC3×C17⋊D17D3
cosocleC9×C17⋊D17C2
LCSG ▷ C9×C172
UCSC1

84 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,3,17^2,3|a^2=b,c^3=f^2,c^a=c^2f,d^a=d^13,e^a=e^4,f^a=f^2,d^b=d^16,e^b=e^16

Conjugacy classes & character table

660 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(10404, 60);