28566: preserve variable name in Macaulay2 Galois fields

sagemath · Oct 6, 2019 · 602f6eb · 602f6eb
1 parent 5308c90
commit 602f6eb
Showing 1 changed file with 13 additions and 2 deletions.
diff --git a/src/sage/rings/finite_rings/finite_field_base.pyx b/src/sage/rings/finite_rings/finite_field_base.pyx
@@ -251,14 +251,25 @@ cdef class FiniteField(Field):
         EXAMPLES::
 
             sage: GF(97,'a')._macaulay2_init_()
-            'GF 97'
+            'GF(97,Variable=>symbol x)'
 
             sage: macaulay2(GF(97, 'a'))       # optional - macaulay2
             GF 97
             sage: macaulay2(GF(49, 'a'))       # optional - macaulay2
             GF 49
+
+        TESTS:
+
+        The variable name is preserved (:trac:`28566`)::
+
+            sage: K = macaulay2(GF(49, 'b'))  # optional - macaulay2
+            sage: K.gens()                    # optional - macaulay2
+            {b}
+            sage: K._sage_()                  # optional - macaulay2
+            Finite Field in b of size 7^2
         """
-        return "GF %s"%(self.order())
+        return "GF(%s,Variable=>symbol %s)" % (self.order(),
+                                               self.variable_name())
 
     def _sage_input_(self, sib, coerced):
         r"""