# Concept derivation guides

299 concept teaching guides, separate from the 36,000 individual question derivations.

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Concept guide



## [Fibers as left cosets of the stabilizer](/en/derivations/derivation-mko-orbit-stabilizer-theorem-01/?from=%2Fen%2Fderivations%2F%3Fq%3Dmko-orbit-stabilizer-theorem)

At point 0 the orbit has size 3 and stabilizer size 2; all three fibers are left cosets, giving 6=3*2.

Orbit-stabilizer theorem

derivation-mko-orbit-stabilizer-theorem-01





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