A note on Janko’s simple group of order 175,560

Shult, E.

doi:10.1090/S0002-9939-1972-0306303-6

A note on Janko’s simple group of order $175,560$
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Proc. Amer. Math. Soc. 35 (1972), 342-348 Request permission

Abstract:

Janko’s simple group J of order 175,560 is characterized among simple groups by the weak closure W of the involution in its centralizer. Among arbitrary finite groups, the theorem asserts that the normal closure of W is J.

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