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SageMath
E = EllipticCurve("fi1")
E.isogeny_class()
Elliptic curves in class 122304fi
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
122304.da3 | 122304fi1 | \([0, -1, 0, -22017, -1119327]\) | \(38272753/4368\) | \(134713398263808\) | \([2]\) | \(442368\) | \(1.4435\) | \(\Gamma_0(N)\)-optimal |
122304.da2 | 122304fi2 | \([0, -1, 0, -84737, 8326305]\) | \(2181825073/298116\) | \(9194189431504896\) | \([2, 2]\) | \(884736\) | \(1.7901\) | |
122304.da4 | 122304fi3 | \([0, -1, 0, 134783, 44108065]\) | \(8780064047/32388174\) | \(-998883008951353344\) | \([2]\) | \(1769472\) | \(2.1367\) | |
122304.da1 | 122304fi4 | \([0, -1, 0, -1307777, 576061473]\) | \(8020417344913/187278\) | \(5775836950560768\) | \([2]\) | \(1769472\) | \(2.1367\) |
Rank
sage: E.rank()
The elliptic curves in class 122304fi have rank \(1\).
Complex multiplication
The elliptic curves in class 122304fi do not have complex multiplication.Modular form 122304.2.a.fi
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.