|  1 |    initial version    |  
The "center" (average of the vertices) is available via the center method like so:
sage: q = polytopes.permutahedron(4)
sage: q.dim()
3
sage: q.center()
(1/40000, 1/40000, 1/20000)
 You can look through the other methods available in the Polyhedra documentation.
 
                
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