Properties

Label 422370m
Number of curves $2$
Conductor $422370$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("m1")
 
E.isogeny_class()
 

Elliptic curves in class 422370m

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
422370.m2 422370m1 \([1, -1, 0, -170640, -28512000]\) \(-16022066761/998400\) \(-34241572933401600\) \([2]\) \(4561920\) \(1.9268\) \(\Gamma_0(N)\)-optimal*
422370.m1 422370m2 \([1, -1, 0, -2769840, -1773614880]\) \(68523370149961/243360\) \(8346383402516640\) \([2]\) \(9123840\) \(2.2734\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 2 curves highlighted, and conditionally curve 422370m1.

Rank

sage: E.rank()
 

The elliptic curves in class 422370m have rank \(0\).

Complex multiplication

The elliptic curves in class 422370m do not have complex multiplication.

Modular form 422370.2.a.m

sage: E.q_eigenform(10)
 
\(q - q^{2} + q^{4} - q^{5} - 2 q^{7} - q^{8} + q^{10} - 4 q^{11} + q^{13} + 2 q^{14} + q^{16} - 4 q^{17} + O(q^{20})\) Copy content Toggle raw display

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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.