# SageMath code for working with number field 38.0.15223168714879313546692095257379448420591016496978036941227483116202289492875331751113046747.1 # 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^38 - x^37 + 91*x^36 - 24*x^35 + 5113*x^34 - 166*x^33 + 173717*x^32 + 27194*x^31 + 4239797*x^30 + 1325317*x^29 + 74027272*x^28 + 40999344*x^27 + 983326589*x^26 + 743120555*x^25 + 10059741791*x^24 + 9563481092*x^23 + 81070213075*x^22 + 87547591746*x^21 + 511882174610*x^20 + 601337789804*x^19 + 2539884758984*x^18 + 3042827513863*x^17 + 9675050790560*x^16 + 11543123809355*x^15 + 28268796522511*x^14 + 31776668507252*x^13 + 60600608962241*x^12 + 63076854532617*x^11 + 95016529831875*x^10 + 85766481354393*x^9 + 98440678914956*x^8 + 74640315704381*x^7 + 67352150639088*x^6 + 40110464366364*x^5 + 23287561297245*x^4 + 7350839404496*x^3 + 1810153278801*x^2 + 182761486103*x + 13841287201) # 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^38 - x^37 + 91*x^36 - 24*x^35 + 5113*x^34 - 166*x^33 + 173717*x^32 + 27194*x^31 + 4239797*x^30 + 1325317*x^29 + 74027272*x^28 + 40999344*x^27 + 983326589*x^26 + 743120555*x^25 + 10059741791*x^24 + 9563481092*x^23 + 81070213075*x^22 + 87547591746*x^21 + 511882174610*x^20 + 601337789804*x^19 + 2539884758984*x^18 + 3042827513863*x^17 + 9675050790560*x^16 + 11543123809355*x^15 + 28268796522511*x^14 + 31776668507252*x^13 + 60600608962241*x^12 + 63076854532617*x^11 + 95016529831875*x^10 + 85766481354393*x^9 + 98440678914956*x^8 + 74640315704381*x^7 + 67352150639088*x^6 + 40110464366364*x^5 + 23287561297245*x^4 + 7350839404496*x^3 + 1810153278801*x^2 + 182761486103*x + 13841287201) 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)]