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SageMath
E = EllipticCurve("by1")
E.isogeny_class()
Elliptic curves in class 32448by
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
32448.v2 | 32448by1 | \([0, -1, 0, -1408, 7630]\) | \(1000000/507\) | \(156620298432\) | \([2]\) | \(21504\) | \(0.84059\) | \(\Gamma_0(N)\)-optimal |
32448.v1 | 32448by2 | \([0, -1, 0, -12393, -521847]\) | \(10648000/117\) | \(2313161330688\) | \([2]\) | \(43008\) | \(1.1872\) |
Rank
sage: E.rank()
The elliptic curves in class 32448by have rank \(0\).
Complex multiplication
The elliptic curves in class 32448by do not have complex multiplication.Modular form 32448.2.a.by
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.