Finite Group Databasebeta

H(3,𝔽3)×#492 #13145235

order1728
nilpotency class3
isoclinismisoclinic class of H(3,𝔽3)×#465
automorphism?
homologyAbelianization (H1) = C23×C32 · Schur multiplier (H2) = C2×C32×C4

Aliases

direct productH(3,𝔽3)×#492
unambiguous semidirect product(C32×#492)⋊C3

Subgroups

subgroupG/H
center, socleC22×C3C2×C32×D4
commutator, Frattini, cosocleC2×C3×C4C23×C32
prime radicalH(3,𝔽3)×#127C2
LCSG ▷ C2×C3×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C3 ◁ C42×H(3,𝔽3) ◁ G

781 conjugacy classes of subgroups; only the 231 normal subgroups are shown.

normal subgroups only

This group has 781 conjugacy classes of subgroups — too many to draw. Only its 231 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 288

A minimal faithful permutation representation — 3 generators on 21 points:

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

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, 11298);