Set v of ZG-generators for the submodule '

(-1+z)e_c

(-1+xz)e_d

(1+x+z+x²+zx-x²y)e_a+(-1-x-z-yz)e_b+(-1-x-x²-zx)e_c+(1+x+z+x²)e_d

(z+x²)e_a+(-x²-xz)e_b+(-x-xy)e_c+(1+xy)e_d+(-1+x)e_e

(-z-x²)e_a+(x-y)e_c+(-1-x)e_d+(1+y)e_e

(-y-zy)e_a+(-1+xy)e_c+(-xy-x²y)e_d+(1+z)e_e

The main table

Summary

How to use the table?