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-a3	4.4.9909.1	15	15.1	15.1-a	\( \bigl[a^{3} - a^{2} - 3 a + 1\) , \( -a^{2} + 2 a + 4\) , \( a^{2} - 3\) , \( -426 a^{3} + 526 a^{2} + 1926 a - 1114\) , \( -7407 a^{3} + 8927 a^{2} + 33648 a - 18305\bigr] \)
15.1-b1	4.4.9909.1	15	15.1	15.1-b	\( \bigl[a^{2} - 3\) , \( -a^{2} + 2 a + 2\) , \( a^{3} - a^{2} - 3 a + 2\) , \( -9 a^{3} + 22 a^{2} + a - 50\) , \( 1301 a^{3} - 2423 a^{2} - 3266 a + 1886\bigr] \)