# SageMath code for working with number field 32.0.7669926418924454281216000000000000000000000000.1 # 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^32 - 4*x^31 + 10*x^30 - 20*x^29 + 34*x^28 - 32*x^27 - 8*x^26 + 112*x^25 - 308*x^24 + 608*x^23 - 880*x^22 + 944*x^21 - 536*x^20 - 672*x^19 + 2960*x^18 - 6176*x^17 + 9744*x^16 - 12352*x^15 + 11840*x^14 - 5376*x^13 - 8576*x^12 + 30208*x^11 - 56320*x^10 + 77824*x^9 - 78848*x^8 + 57344*x^7 - 8192*x^6 - 65536*x^5 + 139264*x^4 - 163840*x^3 + 163840*x^2 - 131072*x + 65536) # 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^32 - 4*x^31 + 10*x^30 - 20*x^29 + 34*x^28 - 32*x^27 - 8*x^26 + 112*x^25 - 308*x^24 + 608*x^23 - 880*x^22 + 944*x^21 - 536*x^20 - 672*x^19 + 2960*x^18 - 6176*x^17 + 9744*x^16 - 12352*x^15 + 11840*x^14 - 5376*x^13 - 8576*x^12 + 30208*x^11 - 56320*x^10 + 77824*x^9 - 78848*x^8 + 57344*x^7 - 8192*x^6 - 65536*x^5 + 139264*x^4 - 163840*x^3 + 163840*x^2 - 131072*x + 65536) 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)]