Finite Group Databasebeta
Cayley diagram

C2×C81⋊C3 #92239

order486
nilpotency class2
isoclinismisoclinic class of H(3,𝔽3)
automorphismAut(G) = #92319 (order 486) · Inn(G) = C32 · Out(G) = D3×C9
homologyAbelianization (H1) = C2×C3×C27 · Schur multiplier (H2) = C1

Aliases

direct productC2×C81⋊C3
unambiguous semidirect product(C2×C81)⋊C3

Subgroups

subgroupG/H
centerC2×C27C32
commutatorC3C2×C3×C27
Frattini, cosocleC27C2×C32
socleC2×C3C3×C27
prime radicalC2×C32C27
LCSG ▷ C3 ▷ C1
UCSC1 ◁ C2×C27 ◁ G

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 83
transitive degreeμt(G) = 162

A minimal faithful permutation representation — 2 generators on 83 points:

(1,2)(3,4,8,5,10,20,13,25,39,6,11,21,14,26,40,30,47,61,16,28,41,32,49,62,52,68,76,7,12,19,15,27,37,31,48,58,17,29,38,33,50,59,53,69,74,35,51,60,55,70,75,71,80,82,18,9,22,34,23,42,54,44,63,36,24,43,56,45,64,72,66,77,57,46,65,73,67,78,81,79,83);(4,9,12)(8,19,22)(10,23,27)(11,24,29)(20,37,42)(21,38,43)(25,44,48)(26,45,50)(28,46,51)(39,58,63)(40,59,64)(41,60,65)(47,66,69)(49,67,70)(61,74,77)(62,75,78)(68,79,80)(76,82,83)

Conjugacy classes & character table

198 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of(C81⋊C3)⋊C4, C2×D81⋊C3
maximal subgroup of(C81⋊C3)⋊C4, C4×C81⋊C3, C2×D81⋊C3, …
maximal normal subgroup of(C81⋊C3)⋊C4, C4×C81⋊C3, C2×D81⋊C3, …
maximal quotient ofC4×C81⋊C3, C22×C81⋊C3, C2×#10624499, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(486, 84);