class no. # of curves class leader # Aut(E) # points
1 3 y2 = x3 + 1x 2 3
2 1 y2 = x3 + 2x 6 3
3 1 y2 = x3 + 2x + 1 6 6
4 1 y2 = x3 + 2x + 2 6 0