#5048: congruence subgroups are not integrated into the coercion model
---------------------------+------------------------------------------------
Reporter: ncalexan | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.1
Component: number theory | Keywords: congruence subgroup coercion
---------------------------+------------------------------------------------
{{{
sage: Gamma0(10).1 * Gamma0(5).2
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/ncalexan/.sage/temp/sage.math.washington.edu/4030/_home_ncalexan__sage_init_sage_0.py
in <module>()
----> 1
2
3
4
5
/scratch/nca/sage-3.3.alpha0-sage.math-
only-x86_64-Linux/local/lib/python2.5/site-
packages/sage/structure/element.so in
sage.structure.element.MonoidElement.__mul__
(sage/structure/element.c:7375)()
849
850
--> 851
852
853
TypeError: unsupported operand parent(s) for '*': 'Congruence Subgroup
Gamma0(10)' and 'Congruence Subgroup Gamma0(5)'
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5048>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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