# Simple group of Ree type

From Groupprops

*This article defines a group property that can be evaluated, or makes sense, for simple groups*

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## Definition

A **simple group of Ree type** is a finite simple non-Abelian group satisfying the following conditions:

- It has an Abelian Sylow 2-subgroup
- It contains an involution such that

where .

The case corresponds instead to the Janko group (since ).