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
16.1-a1	4.4.9909.1	16	16.1	16.1-a	\( \bigl[a^{2} - 3\) , \( a^{2} - a - 3\) , \( a^{2} - 3\) , \( 104 a^{3} + 58 a^{2} - 602 a - 641\) , \( -354 a^{3} - 185 a^{2} + 2035 a + 2117\bigr] \)
16.1-b1	4.4.9909.1	16	16.1	16.1-b	\( \bigl[1\) , \( -a - 1\) , \( 1\) , \( 16 a^{3} + 8 a^{2} - 86 a - 106\) , \( 12 a^{3} + 2 a^{2} - 55 a - 81\bigr] \)