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SageMath
E = EllipticCurve("ed1")
E.isogeny_class()
Elliptic curves in class 193200ed
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
193200.db4 | 193200ed1 | \([0, -1, 0, 11592, 1107312]\) | \(2691419471/9891840\) | \(-633077760000000\) | \([2]\) | \(884736\) | \(1.5230\) | \(\Gamma_0(N)\)-optimal |
193200.db3 | 193200ed2 | \([0, -1, 0, -116408, 13395312]\) | \(2725812332209/373262400\) | \(23888793600000000\) | \([2, 2]\) | \(1769472\) | \(1.8696\) | |
193200.db1 | 193200ed3 | \([0, -1, 0, -1796408, 927315312]\) | \(10017490085065009/235066440\) | \(15044252160000000\) | \([2]\) | \(3538944\) | \(2.2162\) | |
193200.db2 | 193200ed4 | \([0, -1, 0, -484408, -116140688]\) | \(196416765680689/22365315000\) | \(1431380160000000000\) | \([2]\) | \(3538944\) | \(2.2162\) |
Rank
sage: E.rank()
The elliptic curves in class 193200ed have rank \(1\).
Complex multiplication
The elliptic curves in class 193200ed do not have complex multiplication.Modular form 193200.2.a.ed
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.