= \left[\begin{array}{cc} \alpha_{0,k}(z) {\operatorname{Id}}&0\\ 0& \alpha_{0,k}(z){\operatorname{Id}}\end{array}\right],$$ where ${\operatorname{Id}}\colon {\mathbb{V}}_{-\Delta}(\mu_{k}) \to {\mathbb{V}}_{-\Delta}(\mu_{k})$ is the identi