Class number of real Abelian fields

Let ℓ,pℓ,p be odd primes such that p=2nℓ+1p=2nℓ+1. In the paper the sufficient conditions are proved under which prime q   does not divide the class number hKhK of subfields K   of Q(ζp+ζp−1), where [K:Q]=ℓ[K:Q]=ℓ.