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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:174AQ GHM

Order: 19

Horizontal side: 174 Vertical side: 174

Elements: 4√2, 13√2, 16√2, 26, 20√2, 26√2, 40, 48, 50, 36√2, 52, 37√2, 48√2, 50√2, 72, 52√2, 74, 76, 74√2.

Code: 745 0 100 744 74 100 260 148 174 261 174 174 723 122 76 522 174 96 521 174 148 502 50 50 374 37 63 486 126 48 136 37 63 765 50 0 364 86 40 166 106 60 200 106 60 503 50 0 46 122 44 485 126 0 401 126 40

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)

74
74√2
26√2
26
72
52√2
52
50√2
37√2
48√2
13√2
76
36√2
16√2
20√2
50
4√2
48
40