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Representations and Characters of Groups, Second Edition by Martin Liebeck, Gordon James

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21

Induced modules and characters

Throughout this chapter we assume that H is a subgroup of the finite group G. We saw in the last chapter that restriction gives a simple way of converting a imageG-module into a imageH-module. Much more subtle than this is the process of induction, which constructs a imageG-module from a given imageH-module, and induction is the main concern ...

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