0$, then $$\nabla_{N(K)}\text{-}\deg({\mathcal{A}}(\cdot,\lambda), B({\operatorname{im}}\pi_0))=\left(\nabla_{N(K)}\text{-}\deg(-{\operatorname{Id}}, B(\bigoplus\limits_{\mu\in P}{\mathbb{V}}_{-\Delta}(\mu)^K\ominus{\mathbb{V}}_{-\Delta}(\mu)^G))