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Anonymous User Best Answer
zero
sir how pls once show steps..
z is an infinite group but D9 finite group
sir but no. of homomorphism from Z to Zn is n ..in that case also Z is infinite but Zn is finite ..so cant that be applied here
Dn is a subgroup of the symmetric group Snfor n ≥ 3. Since 2n > n! for n = 1 or n = 2, for these values, Dn is too large to be a subgroup.
sn is not commutative for n>3