Talk:Table of Gaussian integer factorizations
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"The table might have been further reduced to the integers in the first octant of the complex plane using the symmetry y + ix =i (x − iy)." That symmetry maps between the 1st and 4th quadrants. It rotates by +/- 90 degrees so maps between the 1st and 7th octant and between the 2nd and 8th octant. e.g. 2+i == i(1-2i) is a first octant term compared to a 7th octant term.