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Results tagged with conjugacy-classes
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user 20787
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Conjugacy classes of $\mathrm{SL}_2(\mathbb{Z})$
One can proceed as follows for $SL_2(\mathbb{Z})$.
First, the trace is a conjugacy invariant.
For trace $0$ there are two conjugacy classes represented by $\pmatrix{0 & 1 \\ -1 & 0}$ and $\pmatrix{0 …
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