Elliptic curve isogeny class 512.2-i over number field \(\Q(\sqrt{17}) \)

• Base field: \(\Q(\sqrt{17}) \)
• Label: 2.2.17.1-512.2-i
• Conductor: 512.2
• Rank: \( 1 \)

Base field \(\Q(\sqrt{17}) \)

Generator \(a\), with minimal polynomial \( x^{2} - x - 4 \); class number \(1\).

Elliptic curves in class 512.2-i over \(\Q(\sqrt{17}) \)

Isogeny class 512.2-i contains 4 curves linked by isogenies of degrees dividing 4.

Curve label	Weierstrass Coefficients
512.2-i1	\( \bigl[0\) , \( a - 1\) , \( 0\) , \( 4 a\) , \( 16\bigr] \)
512.2-i2	\( \bigl[0\) , \( a - 1\) , \( 0\) , \( -a\) , \( 0\bigr] \)
512.2-i3	\( \bigl[0\) , \( a\) , \( 0\) , \( -14 a + 38\) , \( -15 a + 39\bigr] \)
512.2-i4	\( \bigl[0\) , \( a - 1\) , \( 0\) , \( -11 a - 20\) , \( 26 a + 40\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)

Isogeny graph