Elliptic curve isogeny class 6912.3-a over number field \(\Q(\sqrt{-2}) \)

• Base field: \(\Q(\sqrt{-2}) \)
• Label: 2.0.8.1-6912.3-a
• Conductor: 6912.3
• Rank: \( 1 \)

Base field \(\Q(\sqrt{-2}) \)

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

Elliptic curves in class 6912.3-a over \(\Q(\sqrt{-2}) \)

Isogeny class 6912.3-a contains 8 curves linked by isogenies of degrees dividing 16.

Curve label	Weierstrass Coefficients
6912.3-a1	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -32 a - 16\) , \( -180 a - 900\bigr] \)
6912.3-a2	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -2 a - 1\) , \( 0\bigr] \)
6912.3-a3	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( 8 a + 4\) , \( 4 a + 20\bigr] \)
6912.3-a4	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( 48 a + 24\) , \( -36 a - 180\bigr] \)
6912.3-a5	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -952 a + 784\) , \( -548 a - 23908\bigr] \)
6912.3-a6	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -392 a - 1456\) , \( -8388 a - 20772\bigr] \)
6912.3-a7	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( 128 a + 64\) , \( 220 a + 1100\bigr] \)
6912.3-a8	\( \bigl[0\) , \( -a + 1\) , \( 0\) , \( 768 a + 384\) , \( -2772 a - 13860\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrrrr} 1 & 8 & 4 & 2 & 2 & 2 & 8 & 4 \\ 8 & 1 & 2 & 4 & 16 & 16 & 4 & 8 \\ 4 & 2 & 1 & 2 & 8 & 8 & 2 & 4 \\ 2 & 4 & 2 & 1 & 4 & 4 & 4 & 2 \\ 2 & 16 & 8 & 4 & 1 & 4 & 16 & 8 \\ 2 & 16 & 8 & 4 & 4 & 1 & 16 & 8 \\ 8 & 4 & 2 & 4 & 16 & 16 & 1 & 8 \\ 4 & 8 & 4 & 2 & 8 & 8 & 8 & 1 \end{array}\right)\)

Isogeny graph