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X(2), X(4), X(15), X(16), X(524), X(576), X(671), X(1263)

Q = X(11004)

K304 is the unique Droz-Farny cubic passing through the isodynamic points X(15), X(16). It is a member of the class CL039.

K304 = DF(Q) with Q = a^2(8 SA^2 - 5 b^2c^2) : : , the intersection of the lines X(2)X(6), X(4)X(195). Q is now X(11004) in ETC (2016-11-22).

The singular focus is X(14662).

K304 is a member of the pencil generated by the Neuberg cubic K001 and the Neuberg orthic cubic K050.

See also Neuberg cubics.

K304 is the isogonal transform of the orthopivotal cubic K936 = O(X11422).