Root of Unity/Examples/Cube Root
Examples of Roots of Unity
Let $F$ be a field.
The cube roots of unity of $F$ are defined as:
- $U_3 = \set {z \in F: z^3 = 1}$
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): root of unity
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): root of unity