Finite Group Databasebeta

C3×C9×#387 #13144919

order1728
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C22×C3×C4×C9 · Schur multiplier (H2) = C2×C3×C4

Aliases

direct productC3×C9×#387

Subgroups

subgroupG/H
centerC23×C3×C9C23
commutatorC22C22×C3×C4×C9
Frattini, cosocleC23×C3C23×C32
socle, prime radicalC23×C32C23×C3
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C3×C9 ◁ G

770 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 1728

A minimal faithful permutation representation — 3 generators on 28 points:

(1,2,3)(14,16)(17,18,20,19)(22,25)(23,27);(4,5,6,7,8,9,10,11,12)(17,19,20,18)(21,22)(23,26)(24,25)(27,28);(13,14)(15,16)(21,23,24,27)(22,26,25,28)

Conjugacy classes & character table

756 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 10982);