 Commensurability (group theory) (source code)

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= Commensurability (group theory)
{wiki=Commensurability_(group_theory)}

In group theory, the concept of commensurability relates to the way in which two groups can be compared based on their subgroups and certain structural properties. Two groups \\( G \\) and \\( H \\) are said to be **commensurable** if they share a common finite-index subgroup.

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