Akm = {{0, 0, (1/5)*(Ea1g + (2)*(Eeg1 + Eeg2))} , 
       {2, 0, Ea1g + Eeg1 + (-2)*(Eeg2)} , 
       {4, 0, (3/5)*((3)*(Ea1g) + (-4)*(Eeg1) + Eeg2)} , 
       {4,-3, (-3+3*I)*((sqrt(7/5))*(Meg))} , 
       {4, 3, (3+3*I)*((sqrt(7/5))*(Meg))} }