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SageMath
E = EllipticCurve("ft1")
E.isogeny_class()
Elliptic curves in class 159936ft
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
159936.gq4 | 159936ft1 | \([0, 1, 0, -138502289, -633259411569]\) | \(-152435594466395827792/1646846627220711\) | \(-3174397687331052395544576\) | \([2]\) | \(26542080\) | \(3.5174\) | \(\Gamma_0(N)\)-optimal |
159936.gq3 | 159936ft2 | \([0, 1, 0, -2221751009, -40308731283969]\) | \(157304700372188331121828/18069292138401\) | \(139318666906221887422464\) | \([2, 2]\) | \(53084160\) | \(3.8640\) | |
159936.gq2 | 159936ft3 | \([0, 1, 0, -2227466369, -40090926915873]\) | \(79260902459030376659234/842751810121431609\) | \(12995645631230942559239012352\) | \([2]\) | \(106168320\) | \(4.2105\) | |
159936.gq1 | 159936ft4 | \([0, 1, 0, -35548015169, -2579723403506145]\) | \(322159999717985454060440834/4250799\) | \(65549402315292672\) | \([2]\) | \(106168320\) | \(4.2105\) |
Rank
sage: E.rank()
The elliptic curves in class 159936ft have rank \(1\).
Complex multiplication
The elliptic curves in class 159936ft do not have complex multiplication.Modular form 159936.2.a.ft
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.