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SageMath
E = EllipticCurve("c1")
E.isogeny_class()
Elliptic curves in class 30492.c
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
30492.c1 | 30492d1 | \([0, 0, 0, -8349, -304799]\) | \(-84098304/3773\) | \(-2887531050096\) | \([]\) | \(69120\) | \(1.1555\) | \(\Gamma_0(N)\)-optimal |
30492.c2 | 30492d2 | \([0, 0, 0, 42471, -826551]\) | \(15185664/9317\) | \(-5198086253018736\) | \([]\) | \(207360\) | \(1.7048\) |
Rank
sage: E.rank()
The elliptic curves in class 30492.c have rank \(1\).
Complex multiplication
The elliptic curves in class 30492.c do not have complex multiplication.Modular form 30492.2.a.c
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.