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SageMath
E = EllipticCurve("bk1")
E.isogeny_class()
Elliptic curves in class 188760.bk
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
188760.bk1 | 188760cg2 | \([0, -1, 0, -11480, -450228]\) | \(61387394182/2851875\) | \(7773891840000\) | \([2]\) | \(313344\) | \(1.2347\) | |
188760.bk2 | 188760cg1 | \([0, -1, 0, 400, -27300]\) | \(5180116/236925\) | \(-322915507200\) | \([2]\) | \(156672\) | \(0.88816\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 188760.bk have rank \(0\).
Complex multiplication
The elliptic curves in class 188760.bk do not have complex multiplication.Modular form 188760.2.a.bk
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.