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SageMath
E = EllipticCurve("fd1")
E.isogeny_class()
Elliptic curves in class 253575.fd
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
253575.fd1 | 253575fd3 | \([1, -1, 0, -47336067, 125365306716]\) | \(8753151307882969/65205\) | \(87380936246953125\) | \([2]\) | \(12976128\) | \(2.8453\) | |
253575.fd2 | 253575fd2 | \([1, -1, 0, -2960442, 1956693591]\) | \(2141202151369/5832225\) | \(7815739297644140625\) | \([2, 2]\) | \(6488064\) | \(2.4987\) | |
253575.fd3 | 253575fd4 | \([1, -1, 0, -1802817, 3502122966]\) | \(-483551781049/3672913125\) | \(-4922054867206845703125\) | \([2]\) | \(12976128\) | \(2.8453\) | |
253575.fd4 | 253575fd1 | \([1, -1, 0, -259317, 3780216]\) | \(1439069689/828345\) | \(1110061523433515625\) | \([2]\) | \(3244032\) | \(2.1522\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 253575.fd have rank \(0\).
Complex multiplication
The elliptic curves in class 253575.fd do not have complex multiplication.Modular form 253575.2.a.fd
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.