X(3), X(6), X(25)
X(25)-Ceva conjugate of X(3)
X(25)-Ceva conjugate of X(6)
vertices of the tangential triangle
common points of pK(X6, X193) with the circumcircle
The GS transformation maps this cubic to the orthic axis. See K167.
K171 is also the isogonal transform of K170.