From 8819269689f44eac22aea5a10f7167c45f7dda22 Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Wed, 12 Jul 2017 20:18:42 +0200
Subject: [PATCH] central projections tend to be dense

---
 src/Projections.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Projections.jl b/src/Projections.jl
index 9ca9ca0..4a7d315 100644
--- a/src/Projections.jl
+++ b/src/Projections.jl
@@ -97,6 +97,7 @@ end
 
 function central_projection(RG::GroupRing, char::Function, T::Type=Rational{Int})
     result = RG(T)
+    result.coeffs = full(result.coeffs)
     for g in RG.basis
         result[g] = char(g)
     end