Symbol not defined?

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Unless I missed it,   just shows up and is never defined or explained.--Billymac00 (talk) 00:51, 24 December 2015 (UTC)Reply

cyclotomic polynomials is linked earlier in the sentence and is the only link. PrimeHunter (talk) 02:02, 24 December 2015 (UTC)Reply

A Commons file used on this page or its Wikidata item has been nominated for deletion

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The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for deletion:

Participate in the deletion discussion at the nomination page. —Community Tech bot (talk) 04:51, 29 February 2020 (UTC)Reply