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.

Reply via email to