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SageMath
E = EllipticCurve("ch1")
E.isogeny_class()
Elliptic curves in class 145600ch
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
145600.dx1 | 145600ch1 | \([0, 0, 0, -1352300, -605278000]\) | \(267080942160036/1990625\) | \(2038400000000000\) | \([2]\) | \(1720320\) | \(2.1135\) | \(\Gamma_0(N)\)-optimal |
145600.dx2 | 145600ch2 | \([0, 0, 0, -1324300, -631542000]\) | \(-125415986034978/11552734375\) | \(-23660000000000000000\) | \([2]\) | \(3440640\) | \(2.4601\) |
Rank
sage: E.rank()
The elliptic curves in class 145600ch have rank \(1\).
Complex multiplication
The elliptic curves in class 145600ch do not have complex multiplication.Modular form 145600.2.a.ch
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.