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Moreover, $\\beta_p(\\mathcal{A})=0$ if $p>3$, and $\\beta_2(\\mathcal{A})\\ne 0$ if and only if $\\mathcal{A}$ is the Hesse arrangement. We deduce that the multiplicity $e_d(\\mathcal{A})$ of an order $d$ eigenvalue of the monodromy action on the first rational homology of the Milnor fiber is equal to the corresponding Aomoto-Betti number, when $d$ is prime. 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