Finite Group Databasebeta
Cayley diagram

D81⋊C3 #92189

order486
isoclinismisoclinic class of D81⋊C3
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productD81⋊C3
unambiguous semidirect product(C81⋊C3)⋊C2

Splittings

Fitting, SylowC81⋊C3 ⋊ C2
derivedC81 ⋊ C2×C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC81C2×C3
FrattiniC27C3×D3
FittingC81⋊C3C2
socleC3C3×D27
LCSG ▷ C81
UCSC1

23 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:

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

Polycyclic presentation:

2,3^5|c^3=d^2e,d^3=e^2f,e^3=f^2,c^a=c^2d,d^a=d^2e,e^a=e^2f,f^a=f^2,c^b=cf

Conjugacy classes & character table

54 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D81⋊C3, #10624500⋊C2, #10624502⋊C2, …
maximal normal subgroup ofC2×D81⋊C3, #10624500⋊C2, C3×D81⋊C3
maximal quotient of(C81⋊C3)⋊C4, C2×D81⋊C3, #10624499⋊C2, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(486, 34);