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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 272832.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
272832.y1 | 272832y2 | \([0, -1, 0, -475169, -29531487]\) | \(1121622319/613089\) | \(6485534982018957312\) | \([2]\) | \(4128768\) | \(2.3004\) | |
272832.y2 | 272832y1 | \([0, -1, 0, -365409, -84784671]\) | \(510082399/783\) | \(8282931011518464\) | \([2]\) | \(2064384\) | \(1.9539\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 272832.y have rank \(2\).
Complex multiplication
The elliptic curves in class 272832.y do not have complex multiplication.Modular form 272832.2.a.y
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.