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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 275880y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
275880.y4 | 275880y1 | \([0, -1, 0, -11535, -928200]\) | \(-5988775936/9774075\) | \(-277045921297200\) | \([2]\) | \(737280\) | \(1.4623\) | \(\Gamma_0(N)\)-optimal |
275880.y3 | 275880y2 | \([0, -1, 0, -229940, -42337788]\) | \(2964647793616/2030625\) | \(920928270240000\) | \([2, 2]\) | \(1474560\) | \(1.8088\) | |
275880.y2 | 275880y3 | \([0, -1, 0, -275920, -24148100]\) | \(1280615525284/601171875\) | \(1090572951600000000\) | \([2]\) | \(2949120\) | \(2.1554\) | |
275880.y1 | 275880y4 | \([0, -1, 0, -3678440, -2714235588]\) | \(3034301922374404/1425\) | \(2585061811200\) | \([2]\) | \(2949120\) | \(2.1554\) |
Rank
sage: E.rank()
The elliptic curves in class 275880y have rank \(0\).
Complex multiplication
The elliptic curves in class 275880y do not have complex multiplication.Modular form 275880.2.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 Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.