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∑ a^2 (b^2 + c^2) (y - z) y z = 0

X(2), X(3), X(6), X(39), X(141), X(427), X(5403), X(5404)

isogonal conjugate of X(8743)

midpoints

infinite points of K102 and K141

points of K655 on the circumcircle

points of pK(X2, X39) on the Steiner ellipse

foci of the inconic with perspector X(83)

square roots of X(39)

K836 is the isogonal transform of K644, the complement of K141, the isotomic transform of pK(X308, X308).

See Table 57 for related cubics.

K836 is the locus of poles and isopivots of all pKs having the same asymptotic directions as the Grebe cubic K102. The locus of the pivots is K141.