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 ] ) ] ) ] );