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SageMath
E = EllipticCurve("fs1")
E.isogeny_class()
Elliptic curves in class 185130fs
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
185130.bd2 | 185130fs1 | \([1, -1, 0, -403860, -98636400]\) | \(152298969481827/86468800\) | \(4135988352513600\) | \([2]\) | \(1935360\) | \(1.9431\) | \(\Gamma_0(N)\)-optimal |
185130.bd3 | 185130fs2 | \([1, -1, 0, -331260, -135270360]\) | \(-84044939142627/116825833960\) | \(-5588030463372312120\) | \([2]\) | \(3870720\) | \(2.2896\) | |
185130.bd1 | 185130fs3 | \([1, -1, 0, -1267800, 433608236]\) | \(6462919457883/1414187500\) | \(49312202177075062500\) | \([2]\) | \(5806080\) | \(2.4924\) | |
185130.bd4 | 185130fs4 | \([1, -1, 0, 2815950, 2649450986]\) | \(70819203762117/127995282250\) | \(-4463148794642709756750\) | \([2]\) | \(11612160\) | \(2.8390\) |
Rank
sage: E.rank()
The elliptic curves in class 185130fs have rank \(0\).
Complex multiplication
The elliptic curves in class 185130fs do not have complex multiplication.Modular form 185130.2.a.fs
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.