On generalized Hadamard matrices GH(q,q)'s and GH(q,q^2)'s

Hiroaki Kido

A matrix $H=[d_{ij}]$ is a generalized Hadamard matrix of order $u\lambda$ with entries from $U$ which is a finite group of order $u$ (for short $\mathrm{GH}(u,\lambda )$) such that whenever…