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seen Sep 21 '11 at 21:50

Sep
20
asked Finding the center of a group with MAGMA
Aug
30
awarded  Student
Aug
30
comment Finite index subgroups of a virtually abelian group
Arturo. Do you know a reference of the facts you've mentioned ?
Aug
22
comment Finite index subgroups of a virtually abelian group
Thank you Arturo. That was a wonderful explanation.
Aug
22
asked Finite index subgroups of a virtually abelian group