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
71.2-a2	\(\Q(\zeta_{7})^+\)	71	71.2	71.2-a	\( \bigl[1\) , \( -a^{2} + a + 1\) , \( a^{2} + a - 2\) , \( 5 a^{2} + 4 a - 50\) , \( 92 a^{2} - 32 a - 290\bigr] \)