OAI/GroupTheory/PolycyclicRecognition/Algebra/FiniteGeneratedCharacterLog.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

Logarithms of powers of finitely generated abelian characters

A finite-index free subgroup supplies a compatible choice on a basis. The index-power map pulls that choice back to the whole group.

  1. def OAI.PolycyclicRecognition.finiteIndexPowerHom line 17
  2. theorem OAI.PolycyclicRecognition.finitelyGenerated_character_power_log line 22