E8 is a highly complex and deeply interesting mathematical structure that appears in various areas, including geometry, algebra, and theoretical physics. It is most commonly referred to in the context of group theory and is one of the five exceptional simple Lie groups. Here are some key points about E8: 1. **Lie Group**: E8 is one of the simplest types of continuous symmetry groups, known as a Lie group. Simple Lie groups are those that cannot be decomposed into smaller, simpler groups.
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