Elliptic Curve Search Results

Refine search

Base field	Conductor norm	Isogenous curves	Base change curves	\(\Q\)-curves	CM curves
Torsion order	Isogeny degree	Torsion structure	j-invariant

Results (displaying both matches)

Label	Base field	Conductor norm	Conductor label	Isogeny class	Weierstrass coefficients
21.1-a6	4.4.9909.1	21	21.1	21.1-a	\( \bigl[a + 1\) , \( a^{3} - a^{2} - 5 a\) , \( a^{2} - 3\) , \( -784 a^{3} - 509 a^{2} + 1519 a - 616\) , \( 18547 a^{3} + 24195 a^{2} - 19665 a + 1670\bigr] \)
21.1-d2	4.4.9909.1	21	21.1	21.1-d	\( \bigl[a^{3} - a^{2} - 3 a + 2\) , \( a^{3} - a^{2} - 5 a\) , \( a + 1\) , \( -544 a^{3} + 506 a^{2} + 2629 a - 1404\) , \( -13092 a^{3} + 14266 a^{2} + 61674 a - 33259\bigr] \)