chevalley weil for de Rham 2 false
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@ -233,6 +233,7 @@ $\mc V(M, i)$ for the $k[G]$-module corresponding to a pair $(M, i) \in \Indec(k
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Finally, we recall the classical Chevalley-Weil formula. For any $e \in \NN$, denote by $\chi_e$ the primitive character of a cyclic group of order $e$.
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{\color{red}
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\begin{Proposition} \label{prop:chevalley_weil}
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Keep the above notation and assume that $p \nmid \# G$. Then:
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@ -255,13 +256,8 @@ Finally, we recall the classical Chevalley-Weil formula. For any $e \in \NN$, de
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H^1_{dR}(X) \cong k[G]^{\oplus 2g_X - 2} \oplus k^{\oplus 2}.
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\end{equation}
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where:
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\begin{align*}
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a_W^{dR} := 2 (g_Y - 1) \cdot \dim_k W + \sum_{Q \in Y(k)} (e_{X/Y, Q} - 1) \cdot \dim_k W + 2 \cdot \llbracket W \cong k \rrbracket,
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\end{align*}
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\end{Corollary}
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}
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\section{Cyclic covers}
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