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SageMath
E = EllipticCurve("g1")
E.isogeny_class()
Elliptic curves in class 388531g
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
388531.g1 | 388531g1 | \([0, 1, 1, -558939, -188283221]\) | \(-2258403328/480491\) | \(-4108672092257734859\) | \([]\) | \(6635520\) | \(2.2930\) | \(\Gamma_0(N)\)-optimal |
388531.g2 | 388531g2 | \([0, 1, 1, 3939841, 1089145360]\) | \(790939860992/517504691\) | \(-4425175667232398880659\) | \([]\) | \(19906560\) | \(2.8423\) |
Rank
sage: E.rank()
The elliptic curves in class 388531g have rank \(1\).
Complex multiplication
The elliptic curves in class 388531g do not have complex multiplication.Modular form 388531.2.a.g
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.