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SageMath
E = EllipticCurve("df1")
E.isogeny_class()
Elliptic curves in class 46800df
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
46800.bg2 | 46800df1 | \([0, 0, 0, -1200, 14375]\) | \(1048576/117\) | \(21323250000\) | \([2]\) | \(30720\) | \(0.71492\) | \(\Gamma_0(N)\)-optimal |
46800.bg1 | 46800df2 | \([0, 0, 0, -4575, -103750]\) | \(3631696/507\) | \(1478412000000\) | \([2]\) | \(61440\) | \(1.0615\) |
Rank
sage: E.rank()
The elliptic curves in class 46800df have rank \(1\).
Complex multiplication
The elliptic curves in class 46800df do not have complex multiplication.Modular form 46800.2.a.df
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.