Deal with local algebras when Galois groups have not been computed

Author: jwj61

lmfdb/number_fields/number_field.py

@@ -509,7 +509,11 @@ def render_field_webpage(args):
                         myurl = url_for('local_fields.by_label', label=lab)
                         if mm[3]*mm[2] == 1:
                             lab = r'$\Q_{%s}$' % str(p)
-                        loc_alg += '<td><a href="%s">%s</a></td><td>$%s$</td><td>$%d$</td><td>$%d$</td><td>$%d$</td><td>%s</td><td>$%s$</td>' % (myurl,lab,mm[1],mm[2],mm[3],mm[4],mm[5],show_slope_content(mm[8],mm[6],mm[7]))
+                        if mm[8]:
+                            mysc = '$'+show_slope_content(mm[8],mm[6],mm[7])+'$'
+                        else:
+                            mysc = 'not computed'
+                        loc_alg += '<td><a href="%s">%s</a></td><td>$%s$</td><td>$%d$</td><td>$%d$</td><td>$%d$</td><td>%s</td><td>%s</td>' % (myurl,lab,mm[1],mm[2],mm[3],mm[4],mm[5],mysc)
             loc_alg += '</tr>\n'
         loc_alg += '</tbody></table>\n'
 

lmfdb/number_fields/web_number_field.py

@@ -982,9 +982,14 @@ def get_local_algebras(self):
                 LF = db.lf_fields.lookup(lab)
                 f = latex(R(LF['coeffs']))
                 p = LF['p']
+                gglabel=LF.get('galois_label', None)
+                if gglabel:
+                    gglabel=transitive_group_display_knowl(gglabel)
+                else:
+                    gglabel='not computed'
                 thisdat = [lab, f, LF['e'], LF['f'], LF['c'],
-                    transitive_group_display_knowl(LF['galois_label']),
-                    LF['t'], LF['u'], LF['slopes']]
+                    gglabel,
+                    LF.get('t',None), LF.get('u',None), LF.get('slopes',None)]
                 if str(p) not in local_algebra_dict:
                     local_algebra_dict[str(p)] = [thisdat]
                 else: