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SageMath
E = EllipticCurve("n1")
E.isogeny_class()
Elliptic curves in class 262990.n
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
262990.n1 | 262990n4 | \([1, 1, 0, -4239202, -3361203876]\) | \(349046010201856969/7245875000\) | \(174897807777875000\) | \([2]\) | \(8957952\) | \(2.4273\) | |
262990.n2 | 262990n3 | \([1, 1, 0, -274122, -48776044]\) | \(94376601570889/12235496000\) | \(295335128949224000\) | \([2]\) | \(4478976\) | \(2.0807\) | |
262990.n3 | 262990n2 | \([1, 1, 0, -87717, 2329271]\) | \(3092354182009/1689383150\) | \(40777602350562350\) | \([2]\) | \(2985984\) | \(1.8780\) | |
262990.n4 | 262990n1 | \([1, 1, 0, -67487, 6711089]\) | \(1408317602329/2153060\) | \(51969634311140\) | \([2]\) | \(1492992\) | \(1.5314\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 262990.n have rank \(1\).
Complex multiplication
The elliptic curves in class 262990.n do not have complex multiplication.Modular form 262990.2.a.n
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.