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SageMath
E = EllipticCurve("df1")
E.isogeny_class()
Elliptic curves in class 381150df
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
381150.df4 | 381150df1 | \([1, -1, 0, -5445567, -4236204659]\) | \(885012508801/127733760\) | \(2577563431248960000000\) | \([2]\) | \(17694720\) | \(2.8338\) | \(\Gamma_0(N)\)-optimal |
381150.df2 | 381150df2 | \([1, -1, 0, -83853567, -295521924659]\) | \(3231355012744321/85377600\) | \(1722850557345225000000\) | \([2, 2]\) | \(35389440\) | \(3.1804\) | |
381150.df3 | 381150df3 | \([1, -1, 0, -80586567, -319609515659]\) | \(-2868190647517441/527295615000\) | \(-10640396827603998984375000\) | \([2]\) | \(70778880\) | \(3.5269\) | |
381150.df1 | 381150df4 | \([1, -1, 0, -1341648567, -18914661309659]\) | \(13235378341603461121/9240\) | \(186455688024375000\) | \([2]\) | \(70778880\) | \(3.5269\) |
Rank
sage: E.rank()
The elliptic curves in class 381150df have rank \(1\).
Complex multiplication
The elliptic curves in class 381150df do not have complex multiplication.Modular form 381150.2.a.df
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.