Elliptic curve isogeny class with Cremona label 418950iv (LMFDB label 418950.iv)

• Label: 418950iv
• Number of curves: $4$
• Conductor: $418950$
• CM: no
• Rank: $0$

Elliptic curves in class 418950iv

LMFDB label	Cremona label	Weierstrass coefficients	j-invariant	Discriminant	Torsion structure	Modular degree	Faltings height	Optimality
418950.iv3	418950iv1	\([1, -1, 0, -20714367, 25869014541]\)	\(19804628171203875/5638671302656\)	\(279865141911355392000000\)	\([2]\)	\(63700992\)	\(3.2057\)	\(\Gamma_0(N)\)-optimal^*
418950.iv4	418950iv2	\([1, -1, 0, 54549633, 170601686541]\)	\(361682234074684125/462672528510976\)	\(-22963905129426109632000000\)	\([2]\)	\(127401984\)	\(3.5523\)
418950.iv1	418950iv3	\([1, -1, 0, -1540106367, 23263837558541]\)	\(11165451838341046875/572244736\)	\(20705292254273508000000\)	\([2]\)	\(191102976\)	\(3.7550\)	\(\Gamma_0(N)\)-optimal^*
418950.iv2	418950iv4	\([1, -1, 0, -1537460367, 23347755448541]\)	\(-11108001800138902875/79947274872976\)	\(-2892698852502340931946750000\)	\([2]\)	\(382205952\)	\(4.1016\)

^*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 418950iv1.

Rank

The elliptic curves in class 418950iv have rank \(0\).

Complex multiplication

The elliptic curves in class 418950iv do not have complex multiplication.

Modular form 418950.2.a.iv

Isogeny 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.

\(\left(\begin{array}{rrrr} 1 & 2 & 3 & 6 \\ 2 & 1 & 6 & 3 \\ 3 & 6 & 1 & 2 \\ 6 & 3 & 2 & 1 \end{array}\right)\)

Isogeny graph

The vertices are labelled with Cremona labels.