kalmar/PropertyT.jl
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keep permtype consistent with partitions (i.e. rev-sorted)

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This commit is contained in:
kalmar 2017-07-13 17:47:40 +02:00
parent af74ae6fb0
commit 680d888b68
1 changed files with 13 additions and 13 deletions
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26
src/Projections.jl
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@ -6,7 +6,7 @@
function chars(G::PermutationGroup)
permtype_unsorted(σ::Nemo.perm) = [length(c) for c in cycles(σ)]
permtype(σ::Nemo.perm) = sort(permtype_unsorted(σ))
permtype(σ::Nemo.perm) = sort(permtype_unsorted(σ), rev=true)
χ_id(σ::Nemo.perm) = 1
@ -33,9 +33,9 @@ function chars(G::PermutationGroup)
function χ_regviaS3(σ::Nemo.perm)
vals = Dict{Vector{Int}, Int}(
[1,1,1,1] => 2,
[1,1,2] => 0,
[2,1,1] => 0,
[2,2] => 2,
[1,3] =>-1,
[3,1] =>-1,
[4] => 0
)
return vals[permtype(σ)]
@ -48,11 +48,11 @@ function chars(G::PermutationGroup)
function ϱ(σ::Nemo.perm)
vals = Dict{Vector{Int}, Int}(
[1,1,1,1,1] => 5,
[1,1,1,2] => 1,
[1,2,2] => 1,
[1,1,3] =>-1,
[2,3] => 1,
[1,4] =>-1,
[2,1,1,1] => 1,
[2,2,1] => 1,
[3,1,1] =>-1,
[3,2] => 1,
[4,1] =>-1,
[5] => 0
)
return vals[permtype(σ)]
@ -63,11 +63,11 @@ function chars(G::PermutationGroup)
function ψ(σ::Nemo.perm)
vals = Dict{Vector{Int}, Int}(
[1,1,1,1,1] => 6,
[1,1,1,2] => 0,
[1,2,2] => -2,
[1,1,3] => 0,
[2,3] => 0,
[1,4] => 0,
[2,1,1,1] => 0,
[2,2,1] => -2,
[3,1,1] => 0,
[3,2] => 0,
[4,1] => 0,
[5] => 1
)
return vals[permtype(σ)]