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SageMath
E = EllipticCurve("i1")
E.isogeny_class()
Elliptic curves in class 51870.i
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
51870.i1 | 51870h4 | \([1, 1, 0, -509238, 94409442]\) | \(14604525660045693247849/4583888290932309450\) | \(4583888290932309450\) | \([2]\) | \(1179648\) | \(2.2849\) | |
51870.i2 | 51870h2 | \([1, 1, 0, -461988, 120652092]\) | \(10904788983938472043849/1966820496322500\) | \(1966820496322500\) | \([2, 2]\) | \(589824\) | \(1.9383\) | |
51870.i3 | 51870h1 | \([1, 1, 0, -461968, 120663088]\) | \(10903372803697816092169/354790800\) | \(354790800\) | \([2]\) | \(294912\) | \(1.5918\) | \(\Gamma_0(N)\)-optimal |
51870.i4 | 51870h3 | \([1, 1, 0, -415058, 146191398]\) | \(-7907727847090108921129/4678297127978906250\) | \(-4678297127978906250\) | \([2]\) | \(1179648\) | \(2.2849\) |
Rank
sage: E.rank()
The elliptic curves in class 51870.i have rank \(1\).
Complex multiplication
The elliptic curves in class 51870.i do not have complex multiplication.Modular form 51870.2.a.i
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.