# SageMath code for working with elliptic curve 5.5.65657.1-45.1-b2 # (Note that not all these functions may be available, and some may take a long time to execute.) # Define the base number field: R. = PolynomialRing(QQ); K. = NumberField(R([1, 5, 2, -5, -1, 1])) # Define the curve: E = EllipticCurve([K([0,1,0,0,0]),K([3,7,-4,-2,1]),K([-4,-7,5,2,-1]),K([-314,-1577,-1529,154,330]),K([-6558,-38029,-41530,3425,9329])]) # Test whether it is a global minimal model: E.is_global_minimal_model() # Compute the conductor: E.conductor() # Compute the norm of the conductor: E.conductor().norm() # Compute the discriminant: E.discriminant() # Compute the norm of the discriminant: E.discriminant().norm() # Compute the j-invariant: E.j_invariant() # Test for Complex Multiplication: E.has_cm(), E.cm_discriminant() # Compute the Mordell-Weil rank: E.rank() # Compute the generators (of infinite order): gens = E.gens(); gens # Compute the heights of the generators (of infinite order): [P.height() for P in gens] # Compute the regulator: E.regulator_of_points(gens) # Compute the torsion subgroup: T = E.torsion_subgroup(); T.invariants() # Compute the order of the torsion subgroup: T.order() # Compute the generators of the torsion subgroup: T.gens() # Compute the local reduction data at primes of bad reduction: E.local_data()