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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 159936.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
159936.y1 | 159936il2 | \([0, -1, 0, -1447968097, -6069944496671]\) | \(222165413800219579417/118033833938006016\) | \(178373673332152996735959957504\) | \([]\) | \(243855360\) | \(4.3042\) | |
159936.y2 | 159936il1 | \([0, -1, 0, -834519457, 9279100581409]\) | \(42531320912955257257/1127938881456\) | \(1704550253659797653028864\) | \([]\) | \(81285120\) | \(3.7549\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 159936.y have rank \(1\).
Complex multiplication
The elliptic curves in class 159936.y do not have complex multiplication.Modular form 159936.2.a.y
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.