#4487: (with patch; needs review) add method to evaluate characters of
permutation
and matrix groups
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Reporter: wdj | Owner: joyner
Type: enhancement | Status: new
Priority: major | Milestone:
Component: group_theory | Resolution:
Keywords: |
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Changes (by saliola):
* summary: add method to evaluate characters of permutation and matrix
groups => (with patch; needs review) add method
to evaluate characters of permutation and
matrix groups
Comment:
I'm attaching a patch that adds a GroupCharacter class that wraps GAP's
Character function. The above can now be achieved by doing the following:
{{{
sage: G = GL(2,7)
sage: z = G.center().an_element()
sage: chi = G.irreducible_characters()[1]
sage: chi(z)
1
}}}
One problem: I don't know how to coerce the values of the characters into
Sage. Is there a standard datatype for this?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4487#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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