2-Sylow subloops exist in finite Moufang loop

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Statement

Suppose is a finite Moufang loop i.e., a Moufang loop whose order (the size of its underlying set) is finite.

Then, contains a 2-Sylow subloop, i.e., a subloop whose order is the largest power of 2 dividing the order of .

Related facts

Facts used

  1. Sylow subloops exist for Sylow primes in finite Moufang loops

Proof

We combine Fact (1) and the observation that, from purely number-theoretic considerations, 2 can never divide for any prime power , so it is a Sylow prime for every finite Moufang loop.