Gas turbine combustor and a gas turbine

The outer cylinder (31), the center of the cylinder (32) inside which forms an air passage (30), the inner cylinder (32) between the outer tube (31) provided inside of the outer tube (31) a combustor axis (S) pilot nozzle provided along a direction (35) in part, provided the plurality so as to surround the pilot nozzle (35) and the inner peripheral surface of the inner cylinder (32) along the circumferential direction comprising a main nozzle (36), a gas turbine combustion for ejecting the interior of the inner cylinder and premixed fuel by the main nozzle (36) with respect to the combustion air introduced into the air passage (30) (32) in vessels, the at internal air passage (30) provided over the circumferential direction, further comprising a top hat nozzle (41) for mixing fuel before the combustion air leading to the main nozzle (36), the top hat fuel nozzle (41) The position of injecting vary combustor axis S direction.