We investigate the Coulomb breakup of the 11 Be halo nuclei on a light (carbon) target within nonperturbative time-dependent approach including the low-lying resonance 5/2+ of 11 Be (E= 1.232 MeV). We had found considerable contribution of the low-lying resonances ( 5/2+ , 3/2− and 3/2+ ) to the breakup cross section of 11 Be on a heavy ( 208 Pb) target at our previous calculations. ...