> so, "Permutation" objects aren't really meant to be a group: >
I think this is the salient point. Is there any documentation that already has matrix(Permutation(...)) ? For several more points of view (some articulated by people on the current thread), see also the (long) discussion that the ticket you mention led to on this forum, seven years ago: https://groups.google.com/forum/#!topic/sage-devel/tAAb42Edh9o -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/1f9e46be-0d3c-4ea5-99a9-477fd3f373f6o%40googlegroups.com.