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too complicated to be written here. Click on the link to download a text file. |
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on both curves : X(2), X(3), X(4), X(13), X(14), X(15), X(16), X(17), X(18) on K1215a : X(3412), X(16267), X(n even) in {X(42972), ..., X(42997)} on K1215b : X(3411), X(16268), X(n odd) in {X(42972), ..., X(42997)} |
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Geometric properties : |
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K1215a and K1215b are the KHO-cubics with respective KHO-equations : 5 (2 x - 3 y) (x + z) (x + 2 y - z) - 7 (2 x + 3 y) (x - z) (x - 2 y + z) = 0 7 (2 x - 3 y) (x + z) (x + 2 y - z) - 5 (2 x + 3 y) (x - z) (x - 2 y + z) = 0 |
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