Hi: I'l not sure why the following error arises.
sage: from sage.combinat.designs.block_design import steiner_triple_system sage: sts = steiner_triple_system(9) sage: sts.block_design_checker(2,9,3,1) True sage: sts.parameters() (2, 9, 3, 1) sage: B = sts.blocks() sage: sts.points() [0, 1, 2, 3, 4, 5, 6, 7, 8] sage: BD = BlockDesign(9, B) sage: BD.automorphism_group() --------------------------------------------------------------------------- TypeError Traceback (most recent call last) ..... TypeError: permutation PermList([1, 2, 4, 3, 8, 12, 11, 5, 9, 10, 7, 6]) not in SymmetricGroup(9) Does anyone on this list have an idea? - David Joyner -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
