Question

What is the physical meaning of Lie congruence classes?

Answer 1

hey mate here is ur answer.....

These classes are the elements of the coset defined by taking the weight lattice and quotienting out the root lattice. (This admits a straightforward generalisation to arbitrary simple algebras).

hope this may help....

Answer 2

$\huge{Heya!}$


In modular arithmetic, the integers coprime(relatively prime) to n from the set {\displaystyle \{0,1,\dots ,n-1\}}of n non-negative integers form a group under multiplication modulo n, called the multiplicative group of integers modulo n. 

Hope it helps you.