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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:122CD1of4 GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 7√2, 10, 10√2, 17√2, 27, 34, 27√2, 44, 34√2, 61, 44√2, 78, 61√2.

Code: 785 0 44 614 61 61 613 122 61 174 78 44 270 95 61 271 122 61 447 0 44 440 44 44 74 51 37 73 58 37 105 58 34 104 68 34 34 54 34 10 57 37 11 58 37 20 56 36 21 58 36 344 88 0 343 122 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)

78
61√2
61
17√2
27√2
27
44
44√2
7√2
7
10
10√2
3√2
1√2
1
2√2
2
34√2
34