Finite Group Databasebeta
Cayley diagram

#6873

order243
nilpotency class3
isoclinismisoclinic class of AΣL(1,𝔽27)
automorphismAut(G) = C9×((C3⋊D3)⋊C3)⋊C2 (order 972) · Inn(G) = H(3,𝔽3) · Out(G) = C22×C9
homologyAbelianization (H1) = C3×C9 · Schur multiplier (H2) = C3

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC9H(3,𝔽3)
commutatorC32C3×C9
Frattini, cosocleC3×C9C32
socleC3C32⋊C9
prime radicalH(3,𝔽3)C9
LCSG ▷ C32 ▷ C3 ▷ C1
UCSC1 ◁ C9 ◁ C3×C9 ◁ G
LECSG ▷ C3×C9 ▷ C3 ▷ C1

26 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 81
transitive degreeμt(G) = 81

A minimal faithful permutation representation — 2 generators on 81 points:

(1,2,6,4,9,21,16,27,43,18,8,24,39,26,48,62,51,69,5,10,20,17,28,42,38,52,65)(3,11,29,14,31,54,36,56,73,13,7,19,35,23,41,60,46,64,15,25,47,37,50,68,61,71,79)(12,30,40,33,55,63,58,74,77,34,22,44,59,45,66,76,67,78,32,49,53,57,70,72,75,80,81);(1,3,12)(2,7,22)(4,14,33)(5,15,32)(6,19,40)(8,25,49)(9,23,45)(10,11,30)(13,34,18)(16,36,58)(17,37,57)(20,29,53)(21,41,63)(24,47,44)(26,50,70)(27,46,67)(28,31,55)(35,59,39)(38,61,75)(42,54,72)(43,64,77)(48,68,66)(51,71,80)(52,56,74)(60,76,62)(65,73,81)(69,79,78)

Polycyclic presentation:

3^5|a^3=d,d^3=e^2,b^a=bc,c^a=ce,c^b=ce

Conjugacy classes & character table

51 conjugacy classes — view the full character table.

Relationships

derived subgroup of#92214, #11757337, #92183⋊C2, …
Fitting subgroup of#92183, #92184, #92214, …
maximal subgroup of#92183, #92184, #92214, …
maximal normal subgroup of#92183, #92184, #92214, …
maximal quotient ofC2×#6873, H(3,𝔽3)⋊C27, 3−1+2⋊C27, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(243, 20);