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SageMath
E = EllipticCurve("de1")
E.isogeny_class()
Elliptic curves in class 400554.de
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
400554.de1 | 400554de3 | \([1, -1, 1, -589181, 174144107]\) | \(1285429208617/614922\) | \(10820344487166522\) | \([2]\) | \(4718592\) | \(2.0316\) | \(\Gamma_0(N)\)-optimal* |
400554.de2 | 400554de4 | \([1, -1, 1, -329081, -71369485]\) | \(223980311017/4278582\) | \(75287160252178182\) | \([2]\) | \(4718592\) | \(2.0316\) | |
400554.de3 | 400554de2 | \([1, -1, 1, -42971, 1760231]\) | \(498677257/213444\) | \(3755822053396644\) | \([2, 2]\) | \(2359296\) | \(1.6850\) | \(\Gamma_0(N)\)-optimal* |
400554.de4 | 400554de1 | \([1, -1, 1, 9049, 199631]\) | \(4657463/3696\) | \(-65035879712496\) | \([2]\) | \(1179648\) | \(1.3384\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 400554.de have rank \(0\).
Complex multiplication
The elliptic curves in class 400554.de do not have complex multiplication.Modular form 400554.2.a.de
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.