Isogeny class 28.1-a contains
6 curves linked by isogenies of
degrees dividing 18.
Curve label |
Weierstrass Coefficients |
28.1-a1
| \( \bigl[1\) , \( 1\) , \( 0\) , \( -684208655873630 a - 4697407111568275\) , \( 26515386059767548453800 a + 182040320557030242023013\bigr] \)
|
28.1-a2
| \( \bigl[1\) , \( 1\) , \( 0\) , \( 2089824849950 a - 16437433620775\) , \( 9033133540492898000 a - 71049749917082986023\bigr] \)
|
28.1-a3
| \( \bigl[1\) , \( 1\) , \( 0\) , \( -17972493709570 a + 141361929138670\) , \( -188910303755554419300 a + 1485866424804336914156\bigr] \)
|
28.1-a4
| \( \bigl[1\) , \( 1\) , \( 0\) , \( -142526054766590 a - 978506918170300\) , \( 2060375383192230440900 a + 14145424636801074551712\bigr] \)
|
28.1-a5
| \( \bigl[1\) , \( 1\) , \( 0\) , \( 42214461968990 a - 332036159139665\) , \( 404920008132587532600 a - 3184882099359922786381\bigr] \)
|
28.1-a6
| \( \bigl[1\) , \( 1\) , \( 0\) , \( 10956115758347870 a - 86174889500277745\) , \( -1694134786000379256716200 a + 13325149277555118368887821\bigr] \)
|
Rank: \( 1 \)
\(\left(\begin{array}{rrrrrr}
1 & 9 & 3 & 6 & 18 & 2 \\
9 & 1 & 3 & 6 & 2 & 18 \\
3 & 3 & 1 & 2 & 6 & 6 \\
6 & 6 & 2 & 1 & 3 & 3 \\
18 & 2 & 6 & 3 & 1 & 9 \\
2 & 18 & 6 & 3 & 9 & 1
\end{array}\right)\)