- #1
barbiemathgurl
- 12
- 0
Let k be a positive integer.
define G_k = {x| 1<= x <= k with gcd(x,k)=1}
prove that:
a)G_k is a group under multiplication modulos k (i can do that).
b)G_nm = G_n x G_m be defining an isomorphism.
define G_k = {x| 1<= x <= k with gcd(x,k)=1}
prove that:
a)G_k is a group under multiplication modulos k (i can do that).
b)G_nm = G_n x G_m be defining an isomorphism.