Properties

Label 433200.kr
Number of curves $4$
Conductor $433200$
CM no
Rank $0$
Graph

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Show commands: SageMath
E = EllipticCurve("kr1")
 
E.isogeny_class()
 

Elliptic curves in class 433200.kr

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
433200.kr1 433200kr3 \([0, 1, 0, -71114115008, 7299286627943988]\) \(13209596798923694545921/92340\) \(278029865698560000000\) \([2]\) \(796262400\) \(4.4576\) \(\Gamma_0(N)\)-optimal*
433200.kr2 433200kr4 \([0, 1, 0, -4499507008, 111089526535988]\) \(3345930611358906241/165622259047500\) \(498678085766390934240000000000\) \([2]\) \(796262400\) \(4.4576\)  
433200.kr3 433200kr2 \([0, 1, 0, -4444635008, 114050090423988]\) \(3225005357698077121/8526675600\) \(25673277798605030400000000\) \([2, 2]\) \(398131200\) \(4.1110\) \(\Gamma_0(N)\)-optimal*
433200.kr4 433200kr1 \([0, 1, 0, -274363008, 1828070903988]\) \(-758575480593601/40535043840\) \(-122048438324891074560000000\) \([2]\) \(199065600\) \(3.7644\) \(\Gamma_0(N)\)-optimal*
*optimality has not been determined rigorously for conductors over 400000. In this case the optimal curve is certainly one of the 3 curves highlighted, and conditionally curve 433200.kr1.

Rank

sage: E.rank()
 

The elliptic curves in class 433200.kr have rank \(0\).

Complex multiplication

The elliptic curves in class 433200.kr do not have complex multiplication.

Modular form 433200.2.a.kr

sage: E.q_eigenform(10)
 
\(q + q^{3} + 4 q^{7} + q^{9} - 6 q^{13} - 2 q^{17} + O(q^{20})\) 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 LMFDB numbering.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.