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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AS GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 1√2, 2, 2√2, 3√2, 6, 6√2, 22√2, 43, 44, 33√2, 54, 43√2, 44√2, 66, 76, 76√2, 109, 142, 109√2.

Code: 1425 0 76 1094 109 109 1093 218 109 334 142 76 430 175 109 431 218 109 767 0 76 760 76 76 541 130 76 65 130 70 64 136 70 22 132 68 34 133 67 23 132 66 12 133 67 445 130 22 444 174 22 663 218 0 224 152 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)

142
109√2
109
33√2
43√2
43
76
76√2
54
6
6√2
2√2
3√2
2
1√2
44
44√2
66
22√2