Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
In "Congruence classes of presentations for the complex reflection groups $G(m, p, n)$", Paragraph 1.4, Shi provides explicit representatives for the root system of $G(m,p,n)$.
For what it's worth, here is an interesting quote of Arnold, relating to mathematics and experimentation. "Mathematics is a part of physics. Physics is an experimental science, a part of natural science. Mathematics is the part of physics where experiments are cheap."
