Let be an Odd Prime and the Cyclotomic Field of th Roots of unity over the rationalField. Now let be the Power of which divides the Class Number of . Then thereexist Integers and such that
for all sufficiently large . For Regular Primes, .
References
Johnson, W. ``Irregular Primes and Cyclotomic Invariants.'' Math. Comput.29, 113-120, 1975.