# SageMath code for working with elliptic curve isogeny class 2.0.111.1-288.2-f # (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([28, -1, 1])) # Define the isogeny class: E = EllipticCurve([K([0,1]),K([-1,0]),K([0,1]),K([11620,5469]),K([3262872,46311])]) E.isogeny_class() # Compute the Mordell-Weil rank: E.rank() # Isogeny matrix: E.isogeny_class().matrix() # Isogeny graph: E.isogeny_class().graph().plot(edge_labels=True) # List of curves in the isogeny class: E.isogeny_class().curves