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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 99846i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
99846.i3 | 99846i1 | \([1, -1, 0, 2427, 31693]\) | \(9261/8\) | \(-1365414418584\) | \([]\) | \(154224\) | \(1.0161\) | \(\Gamma_0(N)\)-optimal |
99846.i2 | 99846i2 | \([1, -1, 0, -25308, -2048432]\) | \(-1167051/512\) | \(-786478705104384\) | \([]\) | \(462672\) | \(1.5654\) | |
99846.i1 | 99846i3 | \([1, -1, 0, -53043, 4776227]\) | \(-132651/2\) | \(-248846777786934\) | \([]\) | \(462672\) | \(1.5654\) |
Rank
sage: E.rank()
The elliptic curves in class 99846i have rank \(1\).
Complex multiplication
The elliptic curves in class 99846i do not have complex multiplication.Modular form 99846.2.a.i
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.
\(\left(\begin{array}{rrr} 1 & 3 & 3 \\ 3 & 1 & 9 \\ 3 & 9 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.