// Magma code for working with number field 30.0.1046076147688308987260717152173116396995512371.1 // (Note that not all these functions may be available, and some may take a long time to execute.) // Define the number field: R := PolynomialRing(Rationals()); K := NumberField(R![1, -2, 5, -11, 25, -56, 126, -283, 636, -1429, 3211, 157, 1468, 432, 761, 378, 437, 265, 285, 132, 286, -155, 89, -47, 28, -14, 9, -4, 3, -1, 1]); // Defining polynomial: DefiningPolynomial(K); // Degree over Q: Degree(K); // Signature: Signature(K); // Discriminant: Discriminant(Integers(K)); // Ramified primes: PrimeDivisors(Discriminant(Integers(K))); // Integral basis: IntegralBasis(K); // Class group: ClassGroup(K); // Unit group: UK, f := UnitGroup(K); // Unit rank: UnitRank(K); // Generator for roots of unity: K!f(TU.1) where TU,f is TorsionUnitGroup(K); // Fundamental units: [K!f(g): g in Generators(UK)]; // Regulator: Regulator(K); // Galois group: GaloisGroup(K); // Frobenius cycle types: p := 7; // to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$: idealfactors := Factorization(p*Integers(K)); // get the data [ : primefactor in idealfactors];