1. J. H. Conway et al., Atlas of finite groups. Maximal subgroups and ordinary characters for simple groups, With computational assistance from J. G. Thackray. Oxford University Press, Eynsham, 1985.
2. W. Feit, The representation theory of finite groups. North-Holland Mathematical Library, 25. North-Holland Publishing Co., Amsterdam-New York, 1982.
3. Granville A., Ono K.: Defect zero p-blocks for finite simple groups. Trans. Amer. Math. Soc. 348, 331–347 (1996)
4. Isaacs I. M.: Character theory of finite groups. Academic Press, New York (1976)
5. G. O. Michler, A finite simple group of Lie type has p-blocks with different defects, $${p\neq 2}$$ p ≠ 2 , J. Algebra 104 (1986), 220–230.