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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 23520e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
23520.b2 | 23520e1 | \([0, -1, 0, -86, 36]\) | \(3241792/1875\) | \(41160000\) | \([2]\) | \(8192\) | \(0.15056\) | \(\Gamma_0(N)\)-optimal |
23520.b1 | 23520e2 | \([0, -1, 0, -961, 11761]\) | \(69934528/225\) | \(316108800\) | \([2]\) | \(16384\) | \(0.49713\) |
Rank
sage: E.rank()
The elliptic curves in class 23520e have rank \(2\).
Complex multiplication
The elliptic curves in class 23520e do not have complex multiplication.Modular form 23520.2.a.e
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.