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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:173AA GHM

Order: 19

Horizontal side: 173 Vertical side: 173

Elements: 7√2, 14, 14√2, 28, 22√2, 37, 28√2, 31√2, 34√2, 49, 37√2, 56, 43√2, 62, 68, 74, 86, 62√2, 68√2.

Code: 685 0 105 684 68 105 370 136 173 371 173 173 430 99 136 741 173 136 565 0 49 344 34 71 226 34 71 867 56 93 310 142 93 620 111 62 621 173 62 495 0 0 284 28 21 283 56 21 144 42 7 143 56 7 74 49 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)

68
68√2
37√2
37
43√2
74
56
34√2
22√2
86
31√2
62√2
62
49
28√2
28
14√2
14
7√2