\[z^{-\beta}\mathit{H\!\ell}\left(\frac{1}{a},\frac{q}{a}-\beta\left(\alpha-%
\epsilon\right)-\frac{\beta}{a}\left(\alpha-\delta\right);\beta,\beta-\gamma+1%
,\beta-\alpha+1,\delta;\frac{1}{z}\right).\]