# Groupoid¶

class sage.categories.groupoid.Groupoid(G=None)

The category of groupoids, for a set (usually a group) $$G$$.

FIXME:

EXAMPLES:

sage: Groupoid(DihedralGroup(3))
Groupoid with underlying set Dihedral group of order 6 as a permutation group

classmethod an_instance()

Returns an instance of this class.

EXAMPLES:

sage: Groupoid.an_instance() # indirect doctest
Groupoid with underlying set Symmetric group of order 8! as a permutation group

super_categories()

EXAMPLES:

sage: Groupoid(DihedralGroup(3)).super_categories()
[Category of sets]


Group Algebras

Groups