[sage-support] Issue with interface to Gap in 2.8.12

2007-11-08 Thread Carlo Hämäläinen
Hi, Is there a limit on the size of permutations with the Gap interface? I managed to get an error today which seems to be due to Gap putting "(...)" at the end of a line. Here's the error: : Gap produced error output Syntax error: expression expected in /home/carlo/.sage//temp/t40/13158//interf

[sage-support] Permutations from gap.

2007-11-06 Thread Carlo Hämäläinen
Hi, I'm doing some work with groups. Using gap.Image() I can get a permutation like this: sage: x (1,2)(3,7)(4,6)(5,8) But to make a permutation group out of this element I have to enclose the x in two sets of brackets: sage: PermutationGroup([[x]]) Permutation Group with generators [(1,2)(3,7