Conway group Co1

Algebraic structure → Group theory Group theory
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In the area of modern algebra known as group theory, the Conway group Co₁ is a sporadic simple group of order

   4,157,776,806,543,360,000

= 2²¹ · 3⁹ · 5⁴ · 7² · 11 · 13 · 23

≈ 4×10¹⁸.