Centralizer
The centralizer of a Finite non-Abelian Simple Group 
is anelement 
of order 2 such that
See also Center (Group), Normalizer
- NP-Complete Problem
- NP-Hard Problem
- n-plex
- NP-Problem
- n-Sphere
- NSW Number
- Nu Function
- Null Function
- Null Graph
- Null Hypothesis
- Nullspace
- Nullstellansatz
- Null Tetrad
- Number
- Number Axis
- Number Field
- Number Field Sieve Factorization Method
- Number Group
- Number Guessing
- Number Pyramid
- Number System
- Number Theoretic Transform
- Number Theory
- Number Triangle
- Number Wall