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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 235340i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
235340.i2 | 235340i1 | \([0, -1, 0, 14, -735]\) | \(10496/8575\) | \(-230633200\) | \([]\) | \(69552\) | \(0.28372\) | \(\Gamma_0(N)\)-optimal |
235340.i1 | 235340i2 | \([0, -1, 0, -5726, -164899]\) | \(-772086379264/109375\) | \(-2941750000\) | \([]\) | \(208656\) | \(0.83302\) |
Rank
sage: E.rank()
The elliptic curves in class 235340i have rank \(0\).
Complex multiplication
The elliptic curves in class 235340i do not have complex multiplication.Modular form 235340.2.a.i
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.