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Question
Math
Posted 11 months ago
Up to isomorphism, how many additive abelian groups G of order 16 have the property that x + x + x + x = 0 for each x in G ?
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Answer from Sia
Posted 11 months ago
Solution by Steps
step 1
Determine the number of abelian groups of order 16 using the function FiniteAbelianGroupCount
step 2
Apply the function: FiniteAbelianGroupCount[16]
step 3
The output of the function is 5, which means there are 5 non-isomorphic abelian groups of order 16
Answer
There are 5 non-isomorphic additive abelian groups G of order 16 such that x + x + x + x = 0 for each x in G.
Key Concept
Classification of finite abelian groups
Explanation
The number of non-isomorphic abelian groups of a given order can be determined using the function FiniteAbelianGroupCount, which is based on the classification theorem for finite abelian groups. This theorem states that every finite abelian group is a direct sum of cyclic groups of prime power order. For order 16, which is 242^4, there are 5 such groups.

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