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SageMath
E = EllipticCurve("bs1")
E.isogeny_class()
Elliptic curves in class 77760.bs
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
77760.bs1 | 77760dx2 | \([0, 0, 0, -47628, 3961872]\) | \(28588707/320\) | \(133741506723840\) | \([]\) | \(248832\) | \(1.5245\) | |
77760.bs2 | 77760dx1 | \([0, 0, 0, -4428, -110448]\) | \(16747803/500\) | \(286654464000\) | \([]\) | \(82944\) | \(0.97523\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 77760.bs have rank \(1\).
Complex multiplication
The elliptic curves in class 77760.bs do not have complex multiplication.Modular form 77760.2.a.bs
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.