[1] F. Ali, Fischer-Clifford theory for split and non-split group extensions, PhD thesis, University of Natal, Pietermaritzburg, 2001.
[2] A. B. M. Basheer, On a group involving the automorphism of the Janko group J2, J. Indones. Math. Soc., 29 (2023), pp. 197–216.
[3] A. B. M. Basheer and J. Moori, A survey on Clifford-Fischer theory, in Groups St Andrews 2013, vol. 422 of London Math. Soc. Lecture Note Ser., Cambridge Univ. Press, Cambridge, 2015, pp. 160–172.
[4] W. Bosma and J. Cannon, Handbook of magma functions, 1994.
[5] J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker, and R. A. Wilson, ATLAS of finite groups, Oxford University Press, Eynsham, 1985. Maximal subgroups and ordinary characters for simple groups, With computational assistance from J. G. Thackray.
[6] B. Fischer, Clifford-matrices, in Representation theory of finite groups and finite-dimensional algebras (Biele- feld, 1991), vol. 95 of Progr. Math., Birkh¨auser, Basel, 1991, pp. 1–16.
[7] D. Gorenstein, Finite groups, Harper & Row, Publishers, New York-London, 1968.
[8] G. Karpilovsky, Group representations. Vol. 1. Part B, vol. 175 of North-Holland Mathematics Studies, North-Holland Publishing Co., Amsterdam, 1992. Introduction to group representations and characters.
[9] K. Lux and H. Pahlings, Representations of groups – A computational approach, vol. 124 of Cambridge Studies in Advanced Mathematics, Cambridge University Press, Cambridge, 2010.
[10] J. Moori, On the groups G+ and G of the forms 210:M22 and 210:M 22, PhD thesis, University of Birmingham, 1975.
[11] , On certain groups associated with the smallest Fischer group, J. London Math. Soc. (2), 23 (1981), pp. 61–67.
[12] Z. E. Mpono, Fischer-Clifford theory and character tables of group extensions, PhD thesis, University of Natal, Pietermaritzburg, 1998.
[13] V. Mugala, D. Chikopela, and R. Ng’ambi, On a group of the form 211:M24, AUT J. Math. Comput., 5 (2024), pp. 167–193.
[14] D. M. Musyoka, A. L. Prins, L. N. Njuguna, and L. Chikamai, The character table of a subgroup 216:Sp8(2) of E6(2), Proyecciones, 43 (2024), pp. 1389–1411.
[15] D. M. Musyoka, A. L. Prins, L. N. Njuguna, and L. Chikamai, On groups associated with the affine subgroups of Sp2n(2), Afr. Mat., 35 (2024), pp. Paper No. 56, 31.
[16] A. L. Prins, Computing the conjugacy classes and character table of a non-split extension 26·(25:S6) from a split extension 26:(25:S6), AIMS Math., 5 (2020), pp. 2113–2125.
[17] , A maximal subgroup 24+6:(A5 × 3) of G2(4) treated as a non-split extension G = 26·(24:(A5 × 3)), Adv. Group Theory Appl., 10 (2020), pp. 43–66.
[18] , On a two-fold cover 2.(26.G2(2)) of a maximal subgroup of Rudvalis group Ru, Proyecciones, 40 (2021), pp. 1011–1029.
[19] T. T. Seretlo, Fischer Clifford matrices and character tables of certain groups ssociated with simple groups O+ 10(2), HS and Ly, PhD thesis, University of KwaZulu-Natal, Pietermaritzburg, 2011.
[20] The GAP Group, GAP–groups, algorithms, and programming, version 4.11.0.
http://www.gap-system. org, Version 4.11.0. Accessed: 2020.
[21] N. S. Whitley, Fischer matrices and character tables of group extensions, Master’s thesis, University of KwaZulu-Natal, Pietermaritzburg, 1994.
[22] R. Wilson, P. Walsh, J. Tripp, I. Suleiman, R. Parker, S. Norton, S. Nickerson, S. Linton, J. Bray, and R. Abbott, ATLAS of finite group representations – version 3.
http://brauer.maths.qmul. ac.uk/Atlas/v3/.