Please have a look at [tests](https://github.com/kalmarek/GroupRings.jl/blob/master/test/runtests.jl) to see how to use this package. It depends on [AbstractAlgebra.jl](https://github.com/Nemocas/AbstractAlgebra.jl) and optionally [Groups.jl](https://github.com/kalmarek/Groups.jl)