GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#set up c3 x c3 x c3 x c3 1 #set up group presentation c3c3c3c3 3 1 1 {a, b,c ,d } {} 0 7 #compute its 3-covering group 9 #enter p-group generation 1 #supply automorphisms 2 #number of automorphisms 2 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 2 0 0 1 2 0 0 0 0 2 0 0 0 0 2 0 0 #number of soluble automorphisms 5 #iteration 2 #class bound 1 #all descendants? 1 #order bound? 5 #order bound 0 #PAG-generating sequence 0 #default? 0 #char subgroup 1 #process terminal groups 0 #enforce exponent law 0 #enforce metabelian law 1 0 #exit 0