Properties

Base field \(\Q(\sqrt{30}) \)
Label 2.2.120.1-15.1-a
Conductor 15.1
Rank not recorded

Related objects

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Base field \(\Q(\sqrt{30}) \)

Generator \(a\), with minimal polynomial \( x^{2} - 30 \); class number \(2\).

Elliptic curves in class 15.1-a over \(\Q(\sqrt{30}) \)

Isogeny class 15.1-a contains 8 curves linked by isogenies of degrees dividing 16.

Curve label Weierstrass Coefficients
15.1-a1 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -4844 a - 26493\) , \( -813715 a - 4456859\bigr] \)
15.1-a2 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -4 a + 17\) , \( 175 a + 1001\bigr] \)
15.1-a3 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( 1536 a + 8452\) , \( -38388 a - 210217\bigr] \)
15.1-a4 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -444 a - 2393\) , \( -6195 a - 33889\bigr] \)
15.1-a5 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -224 a - 1188\) , \( 3752 a + 20593\bigr] \)
15.1-a6 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -5944 a - 32518\) , \( -592970 a - 3247789\bigr] \)
15.1-a7 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -3524 a - 19263\) , \( 260267 a + 1425583\bigr] \)
15.1-a8 \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -95044 a - 520543\) , \( -37484825 a - 205312819\bigr] \)

Rank

Rank not yet determined.

Isogeny matrix

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

Isogeny graph