Finite Group Databasebeta

3−1+2×#381 #13144903

order1728
nilpotency class2
isoclinismisoclinic class of H(3,𝔽3)×#120
automorphism?
homologyAbelianization (H1) = C22×C32×C4 · Schur multiplier (H2) = C24

Aliases

direct product3−1+2×#381
unambiguous semidirect product(C9×#381)⋊C3

Subgroups

subgroupG/H
center, Frattini, socle, cosocleC23×C3C23×C32
commutatorC22×C3C22×C32×C4
prime radicalC24×C32C22×C3
LCSG ▷ C22×C3 ▷ C1
UCSC1 ◁ C23×C3 ◁ G

872 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 288

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

308 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 10966);