Finite Group Databasebeta

C2×C9×#557 #11768197

order1152
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C25×C9 · Schur multiplier (H2) = C28

Aliases

direct productC2×C9×#557

Subgroups

subgroupG/H
centerC23×C9C24
commutatorC22C25×C9
Frattini, cosocleC22×C3C25×C3
socle, prime radicalC23×C3C24×C3
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C9 ◁ G

1572 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 1152

A minimal faithful permutation representation — 5 generators on 27 points:

(1,2)(19,20,21,22,23,24,25,26,27);(4,7)(8,9)(11,12,14,16)(13,17,18,15);(3,4,6,7)(5,9,10,8);(11,13,14,18)(12,15,16,17);(3,5,6,10)(4,8,7,9)

Conjugacy classes & character table

450 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1152, 2208);