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SageMath
E = EllipticCurve("bj1")
E.isogeny_class()
Elliptic curves in class 474320.bj
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
474320.bj1 | 474320bj4 | \([0, 1, 0, -2477470200, 46117850491348]\) | \(1969902499564819009/63690429687500\) | \(54372396828097964000000000000\) | \([2]\) | \(477757440\) | \(4.2877\) | \(\Gamma_0(N)\)-optimal* |
474320.bj2 | 474320bj2 | \([0, 1, 0, -339235640, -2383668253100]\) | \(5057359576472449/51765560000\) | \(44192158604656373104640000\) | \([2]\) | \(159252480\) | \(3.7384\) | \(\Gamma_0(N)\)-optimal* |
474320.bj3 | 474320bj1 | \([0, 1, 0, -5314360, -91766155692]\) | \(-19443408769/4249907200\) | \(-3628137569408523226316800\) | \([2]\) | \(79626240\) | \(3.3918\) | \(\Gamma_0(N)\)-optimal* |
474320.bj4 | 474320bj3 | \([0, 1, 0, 47809480, 2471926614100]\) | \(14156681599871/3100231750000\) | \(-2646661857945541123072000000\) | \([2]\) | \(238878720\) | \(3.9411\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 474320.bj have rank \(1\).
Complex multiplication
The elliptic curves in class 474320.bj do not have complex multiplication.Modular form 474320.2.a.bj
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.
\(\left(\begin{array}{rrrr} 1 & 3 & 6 & 2 \\ 3 & 1 & 2 & 6 \\ 6 & 2 & 1 & 3 \\ 2 & 6 & 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.