Finite Group Databasebeta

3−1+2×#487 #13145221

order1728
nilpotency class3
isoclinismisoclinic class of H(3,𝔽3)×#465
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C4

Aliases

direct product3−1+2×#487
unambiguous semidirect product(C9×#487)⋊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

392 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)(12,15)(13,14)(16,17)(18,19,23,24)(20,25,21,22);(2,5,6)(4,8,9)(11,14)(15,17)(18,20,22,19,23,21,25,24);(10,12,13,16)(11,15,14,17)(18,21,22,24,23,20,25,19)

Conjugacy classes & character table

242 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 11284);