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SageMath
E = EllipticCurve("bp1")
E.isogeny_class()
Elliptic curves in class 35520bp
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
35520.i4 | 35520bp1 | \([0, -1, 0, -82001, -9508815]\) | \(-3721915550952016/243896484375\) | \(-3996000000000000\) | \([2]\) | \(202752\) | \(1.7462\) | \(\Gamma_0(N)\)-optimal |
35520.i3 | 35520bp2 | \([0, -1, 0, -1332001, -591258815]\) | \(3988023972023988004/15593765625\) | \(1021953024000000\) | \([2, 2]\) | \(405504\) | \(2.0928\) | |
35520.i2 | 35520bp3 | \([0, -1, 0, -1352001, -572566815]\) | \(2085187657182084002/124500749500125\) | \(16318562238480384000\) | \([2]\) | \(811008\) | \(2.4394\) | |
35520.i1 | 35520bp4 | \([0, -1, 0, -21312001, -37861950815]\) | \(8167450100737631904002/124875\) | \(16367616000\) | \([2]\) | \(811008\) | \(2.4394\) |
Rank
sage: E.rank()
The elliptic curves in class 35520bp have rank \(0\).
Complex multiplication
The elliptic curves in class 35520bp do not have complex multiplication.Modular form 35520.2.a.bp
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.