// Magma code for working with number field 44.44.2829456642779506738660199294300931896594438764890376623447387777021003184630861677846958804464951379972781.1. // 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^44 - x^43 - 245*x^42 + 238*x^41 + 27464*x^40 - 25798*x^39 - 1870216*x^38 + 1689630*x^37 + 86645247*x^36 - 74817837*x^35 - 2898974188*x^34 + 2375249329*x^33 + 72579947126*x^32 - 55953201823*x^31 - 1390382110630*x^30 + 998709697869*x^29 + 20665571127124*x^28 - 13674603242041*x^27 - 240238917307978*x^26 + 144516694613691*x^25 + 2191711606172907*x^24 - 1180094743877070*x^23 - 15680069546419541*x^22 + 7419430297867336*x^21 + 87555848961529704*x^20 - 35621383921138009*x^19 - 378178023714978041*x^18 + 128871770255036598*x^17 + 1246087932552175079*x^16 - 344680676241032240*x^15 - 3070152424219288766*x^14 + 664374849384426306*x^13 + 5499539488500745998*x^12 - 894737827553875328*x^11 - 6883781452983976207*x^10 + 818014176860906167*x^9 + 5684771260919185772*x^8 - 508187269302072418*x^7 - 2836917120327885752*x^6 + 230965518365555296*x^5 + 736177518063946879*x^4 - 79966127580583048*x^3 - 70130358520706481*x^2 + 13792867712635819*x - 669015421113803); // 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^44 - x^43 - 245*x^42 + 238*x^41 + 27464*x^40 - 25798*x^39 - 1870216*x^38 + 1689630*x^37 + 86645247*x^36 - 74817837*x^35 - 2898974188*x^34 + 2375249329*x^33 + 72579947126*x^32 - 55953201823*x^31 - 1390382110630*x^30 + 998709697869*x^29 + 20665571127124*x^28 - 13674603242041*x^27 - 240238917307978*x^26 + 144516694613691*x^25 + 2191711606172907*x^24 - 1180094743877070*x^23 - 15680069546419541*x^22 + 7419430297867336*x^21 + 87555848961529704*x^20 - 35621383921138009*x^19 - 378178023714978041*x^18 + 128871770255036598*x^17 + 1246087932552175079*x^16 - 344680676241032240*x^15 - 3070152424219288766*x^14 + 664374849384426306*x^13 + 5499539488500745998*x^12 - 894737827553875328*x^11 - 6883781452983976207*x^10 + 818014176860906167*x^9 + 5684771260919185772*x^8 - 508187269302072418*x^7 - 2836917120327885752*x^6 + 230965518365555296*x^5 + 736177518063946879*x^4 - 79966127580583048*x^3 - 70130358520706481*x^2 + 13792867712635819*x - 669015421113803); 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))];