
gap/cohom:

compute with cohomology of pcp groups.

cohom.gi        --    general struff
solcohom.gi     --    solve integer equations
twocohom.gi     --    2-cohomology
grpext.gi       --    group extensions
onecohom.gi     --    1-cohomology
orbstab.gi      --    orbit stabilizer for pcp groups
grpcom.gi       --    group complements
norcom.gi       --    normal complements

