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SageMath
E = EllipticCurve("gc1")
E.isogeny_class()
Elliptic curves in class 92400gc
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
92400.fa4 | 92400gc1 | \([0, 1, 0, 102592, -16804812]\) | \(1865864036231/2993760000\) | \(-191600640000000000\) | \([2]\) | \(737280\) | \(2.0013\) | \(\Gamma_0(N)\)-optimal |
92400.fa3 | 92400gc2 | \([0, 1, 0, -697408, -172004812]\) | \(586145095611769/140040608400\) | \(8962598937600000000\) | \([2, 2]\) | \(1474560\) | \(2.3479\) | |
92400.fa2 | 92400gc3 | \([0, 1, 0, -3777408, 2680075188]\) | \(93137706732176569/5369647977540\) | \(343657470562560000000\) | \([4]\) | \(2949120\) | \(2.6945\) | |
92400.fa1 | 92400gc4 | \([0, 1, 0, -10417408, -12944084812]\) | \(1953542217204454969/170843779260\) | \(10934001872640000000\) | \([2]\) | \(2949120\) | \(2.6945\) |
Rank
sage: E.rank()
The elliptic curves in class 92400gc have rank \(1\).
Complex multiplication
The elliptic curves in class 92400gc do not have complex multiplication.Modular form 92400.2.a.gc
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.