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
23.4-a4	\(\Q(\zeta_{11})^+\)	23	23.4	23.4-a	\( \bigl[a^{3} - 2 a + 1\) , \( a^{4} - 4 a^{2} + 2\) , \( a^{3} + a^{2} - 3 a - 1\) , \( a^{4} - 2 a^{3} - 3 a^{2} + 6 a\) , \( a^{3} - 2 a\bigr] \)
529.15-a4	\(\Q(\zeta_{11})^+\)	529	529.15	529.15-a	\( \bigl[a\) , \( -a^{4} + 4 a^{2} + a - 2\) , \( a + 1\) , \( 2 a^{4} - 4 a^{3} - 6 a^{2} + 11 a - 2\) , \( -5 a^{4} + 4 a^{3} + 12 a^{2} - 13 a + 2\bigr] \)