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SageMath
E = EllipticCurve("ym1")
E.isogeny_class()
Elliptic curves in class 235200ym
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
235200.ym1 | 235200ym1 | \([0, 1, 0, -5553, 115023]\) | \(78608/21\) | \(5059848192000\) | \([2]\) | \(393216\) | \(1.1460\) | \(\Gamma_0(N)\)-optimal |
235200.ym2 | 235200ym2 | \([0, 1, 0, 14047, 761823]\) | \(318028/441\) | \(-425027248128000\) | \([2]\) | \(786432\) | \(1.4926\) |
Rank
sage: E.rank()
The elliptic curves in class 235200ym have rank \(1\).
Complex multiplication
The elliptic curves in class 235200ym do not have complex multiplication.Modular form 235200.2.a.ym
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.