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SageMath
E = EllipticCurve("br1")
E.isogeny_class()
Elliptic curves in class 474320.br
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
474320.br1 | 474320br2 | \([0, 1, 0, -29080, 1347828]\) | \(2185454/625\) | \(777786141440000\) | \([2]\) | \(1966080\) | \(1.5638\) | \(\Gamma_0(N)\)-optimal* |
474320.br2 | 474320br1 | \([0, 1, 0, 4800, 141700]\) | \(19652/25\) | \(-15555722828800\) | \([2]\) | \(983040\) | \(1.2173\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 474320.br have rank \(2\).
Complex multiplication
The elliptic curves in class 474320.br do not have complex multiplication.Modular form 474320.2.a.br
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.