Hi Sebastian, No, that is not a known bug. The issue comes from the fact that the "Cartan" type ['H',3] is relabeled and relabeled Cartan types do not know they should just relabel the underlying Coxeter diagram. This is now https://trac.sagemath.org/ticket/27371.
Best, Travis On Wednesday, February 27, 2019 at 8:56:25 AM UTC+10, Sebastian Oehms wrote: > > Hi, > > is the following a known bug? > > > sage: RH3 = ReflectionGroup(['H', 3]) > sage: RH3.coxeter_matrix() > Traceback (most recent call last): > ... > TypeError: 'NotImplementedType' object is not callable > > > This already occurs on stable 8.5 but still was working on 8.1: > > sage: RH3.coxeter_matrix() > [1 3 2] > [3 1 5] > [2 5 1] > > > -- 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 post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.