// Magma code for working with p-adic field 7.6.2.6a1.1. // Define the p-adic field: Prec := 100; // Default precision of 100 Q7 := pAdicField(7, Prec); K := LocalField(Q7, Polynomial(Q7, [9, 43, 60, 78, 82, 52, 39, 22, 9, 10, 2, 0, 1])); // Defining polynomial: DefiningPolynomial(K); // Base field Qp: Q7; // Degree over Qp: Degree(K); // Ramification index: RamificationIndex(K); // Residue field degree (Inertia degree): InertiaDegree(K); // Discriminant exponent: Valuation(Discriminant(K));