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SageMath
E = EllipticCurve("dd1")
E.isogeny_class()
Elliptic curves in class 463680.dd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
463680.dd1 | 463680dd4 | \([0, 0, 0, -1061868, -393235792]\) | \(692895692874169/51420783750\) | \(9826664802877440000\) | \([2]\) | \(9437184\) | \(2.3900\) | |
463680.dd2 | 463680dd2 | \([0, 0, 0, -215148, 31140272]\) | \(5763259856089/1143116100\) | \(218452888623513600\) | \([2, 2]\) | \(4718592\) | \(2.0435\) | |
463680.dd3 | 463680dd1 | \([0, 0, 0, -203628, 35365808]\) | \(4886171981209/270480\) | \(51689532948480\) | \([2]\) | \(2359296\) | \(1.6969\) | \(\Gamma_0(N)\)-optimal* |
463680.dd4 | 463680dd3 | \([0, 0, 0, 447252, 185082032]\) | \(51774168853511/107398242630\) | \(-20524123783763066880\) | \([2]\) | \(9437184\) | \(2.3900\) |
Rank
sage: E.rank()
The elliptic curves in class 463680.dd have rank \(0\).
Complex multiplication
The elliptic curves in class 463680.dd do not have complex multiplication.Modular form 463680.2.a.dd
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.