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SageMath
E = EllipticCurve("ba1")
E.isogeny_class()
Elliptic curves in class 453152.ba
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality | CM discriminant |
---|---|---|---|---|---|---|---|---|---|
453152.ba1 | 453152ba2 | \([0, 0, 0, -137564, 0]\) | \(1728\) | \(166607428151177216\) | \([2]\) | \(3063808\) | \(1.9940\) | \(\Gamma_0(N)\)-optimal* | \(-4\) |
453152.ba2 | 453152ba1 | \([0, 0, 0, 34391, 0]\) | \(1728\) | \(-2603241064862144\) | \([2]\) | \(1531904\) | \(1.6474\) | \(\Gamma_0(N)\)-optimal* | \(-4\) |
Rank
sage: E.rank()
The elliptic curves in class 453152.ba have rank \(0\).
Complex multiplication
Each elliptic curve in class 453152.ba has complex multiplication by an order in the imaginary quadratic field \(\Q(\sqrt{-1}) \).Modular form 453152.2.a.ba
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 LMFDB 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 LMFDB labels.