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SageMath
E = EllipticCurve("w1")
E.isogeny_class()
Elliptic curves in class 37830w
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
37830.y3 | 37830w1 | \([1, 0, 0, -5337031, 4745226761]\) | \(16812135956704372661181169/1359700992000000\) | \(1359700992000000\) | \([4]\) | \(847872\) | \(2.3485\) | \(\Gamma_0(N)\)-optimal |
37830.y2 | 37830w2 | \([1, 0, 0, -5348551, 4723709705]\) | \(16921238277536807464708849/151160877562500000000\) | \(151160877562500000000\) | \([2, 2]\) | \(1695744\) | \(2.6951\) | |
37830.y4 | 37830w3 | \([1, 0, 0, -1598551, 11223959705]\) | \(-451755260716342924708849/54162040664806200750000\) | \(-54162040664806200750000\) | \([2]\) | \(3391488\) | \(3.0417\) | |
37830.y1 | 37830w4 | \([1, 0, 0, -9282871, -3153585799]\) | \(88464832782010227254086129/46900749206542968750000\) | \(46900749206542968750000\) | \([2]\) | \(3391488\) | \(3.0417\) |
Rank
sage: E.rank()
The elliptic curves in class 37830w have rank \(1\).
Complex multiplication
The elliptic curves in class 37830w do not have complex multiplication.Modular form 37830.2.a.w
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.