Finite Group Databasebeta

3−1+2×#501 #13145263

order1728
nilpotency class3
isoclinismisoclinic class of H(3,𝔽3)×#468
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C2

Aliases

direct product3−1+2×#501
unambiguous semidirect product(C9×#501)⋊C3

Subgroups

subgroupG/H
center, socleC22×C3C2×C32×D4
commutator, Frattini, cosocleC2×C3×C4C23×C32
prime radicalC22×C32C2×C3×D4
LCSG ▷ C2×C3×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C3 ◁ C42×3−1+2 ◁ G

360 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 25
transitive degreeμt(G) = 576

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

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

Conjugacy classes & character table

176 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 11326);