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 (unique match)

Label	Base field	Conductor norm	Conductor label	Isogeny class	Weierstrass coefficients
43.5-a2	\(\Q(\zeta_{11})^+\)	43	43.5	43.5-a	\( \bigl[a^{4} - 3 a^{2} + a + 1\) , \( a^{4} - 4 a^{2} - a + 3\) , \( a^{4} + a^{3} - 3 a^{2} - 2 a + 1\) , \( -a^{4} + 3 a^{2}\) , \( 0\bigr] \)