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arxiv: 2606.12705 · v1 · pith:ZP4ALWH5new · submitted 2026-06-10 · 🧮 math.GR

A virtual RAAG with no finite index normal RAAG

classification 🧮 math.GR
keywords finitegroupindexartinnormalraagright-angledsubgroup
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In this note, we exhibit a group which has a right-angled Artin group as a finite index subgroup, but no finite index normal subgroup isomorphic to any right-angled Artin group. This answers a recent question of Vankov.

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