For some time I wonder how to generate random matrices of Zmod(n). But Sage already have them:

G = GL(3,Zmod(4)); G.random_element()

So Matrix.random() may (at least in some situations) just use this.

A question: Where is the documentation and/or source code for this? I would like to know how GAP does it. (Maybe it knows about generators and somehow use that info.)

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Jori Mäntysalo

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