// Magma code for working with number field 29.1.50688496810580930109918950679078495889944103627201.1 // Some of these functions may take a long time to execute (this depends on the field). // Define the number field: R := PolynomialRing(Rationals()); K := NumberField(x^29 - 11*x^28 + 45*x^27 - 70*x^26 + 66*x^25 - 800*x^24 + 4130*x^23 - 11632*x^22 + 26627*x^21 - 43970*x^20 + 56823*x^19 - 114622*x^18 + 216543*x^17 - 400317*x^16 + 743290*x^15 - 1619073*x^14 + 3038554*x^13 - 4110770*x^12 + 3834768*x^11 - 1791942*x^10 - 198548*x^9 + 1096532*x^8 - 913725*x^7 + 101442*x^6 + 212195*x^5 - 352802*x^4 + 186129*x^3 - 93243*x^2 + 23048*x - 4757); // Defining polynomial: DefiningPolynomial(K); // Degree over Q: Degree(K); // Signature: Signature(K); // Discriminant: OK := Integers(K); Discriminant(OK); // Ramified primes: PrimeDivisors(Discriminant(OK)); // Autmorphisms: Automorphisms(K); // Integral basis: IntegralBasis(K); // Class group: ClassGroup(K); // Unit group: UK, fUK := UnitGroup(K); // Unit rank: UnitRank(K); // Generator for roots of unity: K!f(TU.1) where TU,f is TorsionUnitGroup(K); // Fundamental units: [K|fUK(g): g in Generators(UK)]; // Regulator: Regulator(K); // Analytic class number formula: /* self-contained Magma code snippet to compute the analytic class number formula */ Qx := PolynomialRing(QQ); K := NumberField(x^29 - 11*x^28 + 45*x^27 - 70*x^26 + 66*x^25 - 800*x^24 + 4130*x^23 - 11632*x^22 + 26627*x^21 - 43970*x^20 + 56823*x^19 - 114622*x^18 + 216543*x^17 - 400317*x^16 + 743290*x^15 - 1619073*x^14 + 3038554*x^13 - 4110770*x^12 + 3834768*x^11 - 1791942*x^10 - 198548*x^9 + 1096532*x^8 - 913725*x^7 + 101442*x^6 + 212195*x^5 - 352802*x^4 + 186129*x^3 - 93243*x^2 + 23048*x - 4757); OK := Integers(K); DK := Discriminant(OK); UK, fUK := UnitGroup(OK); clK, fclK := ClassGroup(OK); r1,r2 := Signature(K); RK := Regulator(K); RR := Parent(RK); hK := #clK; wK := #TorsionSubgroup(UK); 2^r1 * (2*Pi(RR))^r2 * RK * hK / (wK * Sqrt(RR!Abs(DK))); // Intermediate fields: L := Subfields(K); L[2..#L]; // Galois group: G = GaloisGroup(K); // Frobenius cycle types: // to obtain a list of $[e_i,f_i]$ for the factorization of the ideal $p\mathcal{O}_K$ for $p=7 in Magma: p := 7; [ : pr in Factorization(p*Integers(K))];