// Magma code for working with number field 24.4.91810054652229848026521481130092527303208363056182861328125.1. // 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^24 - 4*x^23 + 6*x^22 - 449*x^21 + 4273*x^20 + 5874*x^19 + 40584*x^18 - 1486656*x^17 + 320934*x^16 + 31758582*x^15 + 203615891*x^14 - 1041728624*x^13 - 8957494979*x^12 + 15522090746*x^11 + 187723100658*x^10 - 120260671411*x^9 - 2012872155141*x^8 + 555294801359*x^7 + 10666291776869*x^6 + 2324146207637*x^5 - 37689124873554*x^4 - 13595215964929*x^3 + 96703661945176*x^2 - 15091490947869*x - 91903199858837); // Defining polynomial: DefiningPolynomial(K); // Degree over Q: Degree(K); // Signature: Signature(K); // Discriminant: OK := Integers(K); Discriminant(OK); // Ramified primes: PrimeDivisors(Discriminant(OK)); // Automorphisms: Automorphisms(K); // Integral basis: IntegralBasis(K); // Class group: ClassGroup(K); // Narrow class group: NarrowClassGroup(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(Rationals()); K := NumberField(x^24 - 4*x^23 + 6*x^22 - 449*x^21 + 4273*x^20 + 5874*x^19 + 40584*x^18 - 1486656*x^17 + 320934*x^16 + 31758582*x^15 + 203615891*x^14 - 1041728624*x^13 - 8957494979*x^12 + 15522090746*x^11 + 187723100658*x^10 - 120260671411*x^9 - 2012872155141*x^8 + 555294801359*x^7 + 10666291776869*x^6 + 2324146207637*x^5 - 37689124873554*x^4 - 13595215964929*x^3 + 96703661945176*x^2 - 15091490947869*x - 91903199858837); 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 pO_K for p=7 in Magma: p := 7; [ : pr in Factorization(p*Integers(K))];