English: Cayley Q8 graph of quaternion multiplication. Red, green and blue arrows denote multiplication by i, j and k respectively. Multiplication by negative values are omitted for clarity.
Русский: Графическое представление таблицы умножения базисных кватернионов (цвет шара определяет первый множитель, цвет выходящей стрелки - второй множитель, стрелка указывает на результат умножения)
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