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SageMath
E = EllipticCurve("bl1")
E.isogeny_class()
Elliptic curves in class 443982.bl
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
443982.bl1 | 443982bl4 | \([1, 1, 1, -13581833, 19258728257]\) | \(312196988566716625/25367712678\) | \(22513938380275367718\) | \([2]\) | \(17625600\) | \(2.7585\) | \(\Gamma_0(N)\)-optimal* |
443982.bl2 | 443982bl3 | \([1, 1, 1, -790923, 343530549]\) | \(-61653281712625/21875235228\) | \(-19414351787590874268\) | \([2]\) | \(8812800\) | \(2.4120\) | \(\Gamma_0(N)\)-optimal* |
443982.bl3 | 443982bl2 | \([1, 1, 1, -348863, -39923827]\) | \(5290763640625/2291573592\) | \(2033779998182392152\) | \([2]\) | \(5875200\) | \(2.2092\) | \(\Gamma_0(N)\)-optimal* |
443982.bl4 | 443982bl1 | \([1, 1, 1, 73977, -4574403]\) | \(50447927375/39517632\) | \(-35072043864403392\) | \([2]\) | \(2937600\) | \(1.8627\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 443982.bl have rank \(1\).
Complex multiplication
The elliptic curves in class 443982.bl do not have complex multiplication.Modular form 443982.2.a.bl
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.