" 

 ==Properties== 

 ""It can be proved in any number of ways, "" 
 #Is is really important to stress that there are more ways to prove it? I think not.  
 #Nor do I think that it is true that it can be proved in essentially more than one way. Please provide an alternative proof. 

 ""The primitive root  (or its conjugate) is often denoted by , especially in the context of discrete Fourier transforms."" 
 #What is the definition of  ?      or  ? 
 #Do you want to teach people bad mathematics just because it is often found in the books, or do you want to present quality mathematics ?  "