# SageMath code for working with number field 45.45.16527441490674381067348948889146522048718287580785548225593089356497792068001085725808918264262962961.1 # Some of these functions may take a long time to execute (this depends on the field). # Define the number field: x = polygen(QQ); K. = NumberField(x^45 - 4*x^44 - 114*x^43 + 468*x^42 + 5696*x^41 - 24132*x^40 - 165566*x^39 + 729869*x^38 + 3130045*x^37 - 14526130*x^36 - 40702810*x^35 + 202181480*x^34 + 374739344*x^33 - 2040701711*x^32 - 2468141099*x^31 + 15280860430*x^30 + 11523689449*x^29 - 86102308596*x^28 - 36476021474*x^27 + 368042106614*x^26 + 66266177672*x^25 - 1197228116258*x^24 + 511532340*x^23 + 2959992694385*x^22 - 394556499523*x^21 - 5529580093472*x^20 + 1265687493078*x^19 + 7719490702430*x^18 - 2271295840968*x^17 - 7914078560767*x^16 + 2645087732416*x^15 + 5804631677810*x^14 - 2048306537737*x^13 - 2929193071000*x^12 + 1039444940408*x^11 + 957147248584*x^10 - 333732759991*x^9 - 182597145321*x^8 + 64595300484*x^7 + 16257686900*x^6 - 6916885901*x^5 - 166352258*x^4 + 298954277*x^3 - 40977465*x^2 + 2118031*x - 36851) # Defining polynomial: K.defining_polynomial() # Degree over Q: K.degree() # Signature: K.signature() # Discriminant: K.disc() # Ramified primes: K.disc().support() # Autmorphisms: K.automorphisms() # Integral basis: K.integral_basis() # Class group: K.class_group().invariants() # Unit group: UK = K.unit_group() # Unit rank: UK.rank() # Generator for roots of unity: UK.torsion_generator() # Fundamental units: UK.fundamental_units() # Regulator: K.regulator() # Analytic class number formula: # self-contained SageMath code snippet to compute the analytic class number formula x = polygen(QQ); K. = NumberField(x^45 - 4*x^44 - 114*x^43 + 468*x^42 + 5696*x^41 - 24132*x^40 - 165566*x^39 + 729869*x^38 + 3130045*x^37 - 14526130*x^36 - 40702810*x^35 + 202181480*x^34 + 374739344*x^33 - 2040701711*x^32 - 2468141099*x^31 + 15280860430*x^30 + 11523689449*x^29 - 86102308596*x^28 - 36476021474*x^27 + 368042106614*x^26 + 66266177672*x^25 - 1197228116258*x^24 + 511532340*x^23 + 2959992694385*x^22 - 394556499523*x^21 - 5529580093472*x^20 + 1265687493078*x^19 + 7719490702430*x^18 - 2271295840968*x^17 - 7914078560767*x^16 + 2645087732416*x^15 + 5804631677810*x^14 - 2048306537737*x^13 - 2929193071000*x^12 + 1039444940408*x^11 + 957147248584*x^10 - 333732759991*x^9 - 182597145321*x^8 + 64595300484*x^7 + 16257686900*x^6 - 6916885901*x^5 - 166352258*x^4 + 298954277*x^3 - 40977465*x^2 + 2118031*x - 36851) DK = K.disc(); r1,r2 = K.signature(); RK = K.regulator(); RR = RK.parent() hK = K.class_number(); wK = K.unit_group().torsion_generator().order(); 2^r1 * (2*RR(pi))^r2 * RK * hK / (wK * RR(sqrt(abs(DK)))) # Intermediate fields: K.subfields()[1:-1] # Galois group: K.galois_group(type='pari') # 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 Sage: p = 7; [(e, pr.norm().valuation(p)) for pr,e in K.factor(p)]