central projection is defined as \Sum\chi(inv(g))g

2017-06-21 16:46:22 +02:00 · 2017-06-21 16:46:22 +02:00 · c8c75dc1e7
commit c8c75dc1e7
parent b5c069b2a8
1 changed files with 1 additions and 1 deletions
--- a/Projections.jl
+++ b/Projections.jl
@ -71,7 +71,7 @@ end
 function central_projection(RG::GroupRing, char::Function, T::Type=Rational{Int})
    result = RG(T)
    for g in RG.basis
-        result[g] = char(g)
+        result[g] = char(inv(g))
    end
    return convert(T, char(RG.group())//Int(order(RG.group))*result)
 end