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SageMath
E = EllipticCurve("em1")
E.isogeny_class()
Elliptic curves in class 388080em
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
388080.em2 | 388080em1 | \([0, 0, 0, -4368, 92428]\) | \(1007878144/179685\) | \(1643143138560\) | \([]\) | \(497664\) | \(1.0633\) | \(\Gamma_0(N)\)-optimal |
388080.em1 | 388080em2 | \([0, 0, 0, -337008, 75302332]\) | \(462893166690304/4125\) | \(37721376000\) | \([]\) | \(1492992\) | \(1.6126\) |
Rank
sage: E.rank()
The elliptic curves in class 388080em have rank \(1\).
Complex multiplication
The elliptic curves in class 388080em do not have complex multiplication.Modular form 388080.2.a.em
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.