5L-s-P9: 5L-QL-P28 Par1/Per2-Homothetic Center

5L-s-P9 is the Par1/Per2-Homothetic Center (see nL-n-Luc5g) of QL-P28 wrt the Reference 5-Line.
There is an interesting relationship with 5L-n-P13 (Par1/Par2-Homothetic Center of QL-P28).

 
5L n P13 HC QLP28 points 02

Properties:
• There are no linear relations with other known 5L-points.