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SageMath
E = EllipticCurve("bf1")
E.isogeny_class()
Elliptic curves in class 453882bf
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
453882.bf4 | 453882bf1 | \([1, 0, 1, 190164, -22934678]\) | \(5137417856375/4510142208\) | \(-667662911277702912\) | \([2]\) | \(7299072\) | \(2.1077\) | \(\Gamma_0(N)\)-optimal* |
453882.bf3 | 453882bf2 | \([1, 0, 1, -952476, -203928854]\) | \(645532578015625/252306960048\) | \(37350485131593162672\) | \([2]\) | \(14598144\) | \(2.4543\) | \(\Gamma_0(N)\)-optimal* |
453882.bf2 | 453882bf3 | \([1, 0, 1, -1976091, 1427589670]\) | \(-5764706497797625/2612665516032\) | \(-386768262325440872448\) | \([2]\) | \(21897216\) | \(2.6570\) | \(\Gamma_0(N)\)-optimal* |
453882.bf1 | 453882bf4 | \([1, 0, 1, -34477851, 77910731302]\) | \(30618029936661765625/3678951124992\) | \(544616800375740837888\) | \([2]\) | \(43794432\) | \(3.0036\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 453882bf have rank \(1\).
Complex multiplication
The elliptic curves in class 453882bf do not have complex multiplication.Modular form 453882.2.a.bf
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.