GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
############################################################################# ## #W id125.z GAP library of id's Hans Ulrich Besche ## ID_GROUP_TREE.next[125]:= rec( fp:= [ 1 ], next:= [ rec( fp:= [ 4 ], next:= [ rec( fp:= [ 1 ], next:= [ rec( fp:= [ 19437497693339, 19514937693339, 19592377693339, 19669817693339 ], next:= [ 13, 11, 12, 10 ] ) ], pos:= [ 3, 4 ] ) ] ) ] );