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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144AP GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 6√2, 7√2, 10, 12, 13, 14, 10√2, 20, 15√2, 27, 20√2, 40, 52, 62, 72, 82, 62√2, 72√2.

Code: 825 0 62 724 72 72 723 144 72 104 82 62 103 92 62 125 92 60 521 144 72 627 0 62 620 62 62 154 77 47 16 91 61 143 91 47 72 98 54 64 98 54 133 104 47 405 104 20 271 104 47 204 124 0 203 144 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

82
72√2
72
10√2
10
12
52
62
62√2
15√2
1√2
14
7√2
6√2
13
40
27
20√2
20