Elliptic Curve Search Results

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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
15.1-a2	4.4.9909.1	15	15.1	15.1-a	\( \bigl[a\) , \( a^{3} - a^{2} - 3 a + 2\) , \( a^{2} - 2\) , \( -3 a^{3} - 29 a^{2} + 39 a + 86\) , \( -53 a^{3} + 71 a^{2} + 190 a + 33\bigr] \)
15.1-b4	4.4.9909.1	15	15.1	15.1-b	\( \bigl[a^{2} - a - 2\) , \( a^{3} - 2 a^{2} - 4 a + 4\) , \( a^{2} - 2\) , \( -37 a^{3} + 19 a^{2} + 184 a + 26\) , \( -27 a^{3} + 43 a^{2} + 113 a - 124\bigr] \)