Matrix Group Homsets

AUTHORS:

  • William Stein (2006-05-07): initial version
  • Volker Braun (2013-1) port to new Parent, libGAP
sage.groups.matrix_gps.homset.is_MatrixGroupHomset(x)

Test whether x is a matrix group homset.

EXAMPLES:

sage: from sage.groups.matrix_gps.homset import is_MatrixGroupHomset
sage: is_MatrixGroupHomset(4)
doctest:...: DeprecationWarning:
Importing MatrixGroupHomset from here is deprecated.
If you need to use it, please import it directly from
 sage.groups.libgap_morphism
See https://trac.sagemath.org/25444 for details.
False

sage: F = GF(5)
sage: gens = [matrix(F,2,[1,2, -1, 1]), matrix(F,2, [1,1, 0,1])]
sage: G = MatrixGroup(gens)
sage: from sage.groups.matrix_gps.homset import MatrixGroupHomset
sage: M = MatrixGroupHomset(G, G)
sage: is_MatrixGroupHomset(M)
True