Keywords = we give a number theoretical result which says that the prime divisors p of 2u2  2u 1 are of the form p 1 mod 4
SUBORBITAL GRAPHS FOR A SPECIAL SUBGROUP OF THE NORMALIZER OF m

Volume 34, Issue 4, November and December 2010, Pages 305-312

S. KADER; O GULER; A. H. DEGER