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SageMath
E = EllipticCurve("r1")
E.isogeny_class()
Elliptic curves in class 54390.r
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
54390.r1 | 54390u2 | \([1, 0, 1, -19444, 964226]\) | \(2370032608636783/196633170000\) | \(67445177310000\) | \([2]\) | \(270336\) | \(1.3957\) | |
54390.r2 | 54390u1 | \([1, 0, 1, 1276, 69122]\) | \(670611173777/6387206400\) | \(-2190811795200\) | \([2]\) | \(135168\) | \(1.0491\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 54390.r have rank \(2\).
Complex multiplication
The elliptic curves in class 54390.r do not have complex multiplication.Modular form 54390.2.a.r
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.