Finite Group Databasebeta

C9×#1806 #11766527

order1152
nilpotency class3
isoclinismisoclinic class of #447
automorphism?
homologyAbelianization (H1) = C22×C4×C9 · Schur multiplier (H2) = C23

Aliases

direct productC9×#1806

Subgroups

subgroupG/H
centerC2×C4×C9C2×D4
commutatorC2×C4C22×C4×C9
Frattini, cosocleC22×C3×C4C23×C3
socleC22×C3C2×C3×C22⋊C4
prime radicalC2×C3×#41C22×C3
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C9 ◁ C2×C42×C9 ◁ G

468 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 288

A minimal faithful permutation representation — 3 generators on 21 points:

(1,2,3,4,5,6,7,8,9)(11,13)(14,15,17,20,18,16,21,19);(10,11,12,13);(14,16)(15,18)(17,19)(20,21)

Conjugacy classes & character table

342 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1152, 538);