# SageMath code for working with number field 44.0.65347506006797164323533696798768413693852562329201668296707932160000000000000000000000.3 # 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^44 - 5*x^42 + 25*x^40 - 125*x^38 + 625*x^36 - 3125*x^34 + 15625*x^32 - 78125*x^30 + 390625*x^28 - 1953125*x^26 + 9765625*x^24 - 48828125*x^22 + 244140625*x^20 - 1220703125*x^18 + 6103515625*x^16 - 30517578125*x^14 + 152587890625*x^12 - 762939453125*x^10 + 3814697265625*x^8 - 19073486328125*x^6 + 95367431640625*x^4 - 476837158203125*x^2 + 2384185791015625) # 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^44 - 5*x^42 + 25*x^40 - 125*x^38 + 625*x^36 - 3125*x^34 + 15625*x^32 - 78125*x^30 + 390625*x^28 - 1953125*x^26 + 9765625*x^24 - 48828125*x^22 + 244140625*x^20 - 1220703125*x^18 + 6103515625*x^16 - 30517578125*x^14 + 152587890625*x^12 - 762939453125*x^10 + 3814697265625*x^8 - 19073486328125*x^6 + 95367431640625*x^4 - 476837158203125*x^2 + 2384185791015625) 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)]