GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
12[1XReferences[101X34[[20XGAP[120X] [17XGAP – Groups, Algorithms, and Programming, Version 4.5.0[117X, The5GAP Group (2012), http://www.gap-system.org.67[[20XBSWW01[120X] [16XBray, J. N., Suleiman, I. A. I., Walsh, P. G. and Wilson, R. A.[116X,8[17XGenerating maximal subgroups of sporadic simple groups[117X, [18XComm. Algebra[118X, [19X29[119X, 39(2001), 1325–1337.1011[[20XBre13[120X] [16XBreuer, T.[116X, [17XThe GAP Character Table Library, Version 1.2.2[117X (2013),12((GAP package)), http://www.math.rwth-aachen.de/~Thomas.Breuer/ctbllib.1314[[20XBL14[120X] [16XBreuer, T. and Lübeck, F.[116X, [17XBrowse, ncurses interface and browsing15applications, Version 1.8.6[117X (2014), ((GAP package)),16http://www.math.rwth-aachen.de/~Browse.1718[[20XBN95[120X] [16XBreuer, T. and Norton, S. P.[116X, [17XImprovements to the Atlas[117X, The19Clarendon Press Oxford University Press, London Mathematical Society20Monographs. New Series, [19X11[119X, New York (1995), 297–327, ((Appendix 2 by T.21Breuer and S. Norton, Oxford Science Publications)).2223[[20XCP96[120X] [16XCannon, J. J. and Playoust, C.[116X, [17XAn introduction to algebraic24programming in Magma[117X, School of Mathematics and Statistics, University of25Sydney, Sydney, Australia (1996), http://www.math.usyd.edu.au:8000/u/magma.2627[[20XCCNPW85[120X] [16XConway, J. H., Curtis, R. T., Norton, S. P., Parker, R. A. and28Wilson, R. A.[116X, [17XAtlas of finite groups[117X, Oxford University Press, Eynsham29(1985), xxxiv+252 pages, ((Maximal subgroups and ordinary characters for30simple groups, With computational assistance from J. G. Thackray)).3132[[20XHL89[120X] [16XHiss, G. and Lux, K.[116X, [17XBrauer trees of sporadic groups[117X, The Clarendon33Press, Oxford University Press, Oxford Science Publications, New York34(1989), x+526 pages.3536[[20XHup67[120X] [16XHuppert, B.[116X, [17XEndliche Gruppen. I[117X, Springer-Verlag, Die Grundlehren37der Mathematischen Wissenschaften, Band 134, Berlin (1967), xii+793 pages.3839[[20XJan05[120X] [16XJansen, C.[116X, [17XThe minimal degrees of faithful representations of the40sporadic simple groups and their covering groups[117X, [18XLMS J. Comput. Math.[118X, [19X8[119X41(2005), 122–144 (electronic).4243[[20XJLPW95[120X] [16XJansen, C., Lux, K., Parker, R. and Wilson, R.[116X, [17XAn atlas of Brauer44characters[117X, The Clarendon Press Oxford University Press, London Mathematical45Society Monographs. New Series, [19X11[119X, New York (1995), xviii+327 pages,46((Appendix 2 by T. Breuer and S. Norton, Oxford Science Publications)).4748[[20XLN12[120X] [16XLübeck, F. and Neunhöffer, M.[116X, [17XGAPDoc, A Meta Package for GAP49Documentation, Version 1.5.1[117X (2012), ((GAP package)),50http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc.5152[[20XNMP13[120X] [16XNaughton, L., Merkwitz, T. and Pfeiffer, G.[116X, [17XTomLib, The GAP Library53of Tables of Marks, Version 1.2.4[117X (2013), ((GAP package)),54http://schmidt.nuigalway.ie/tomlib/tomlib.5556[[20XNeu14[120X] [16XNeunhöffer, M.[116X, [17XIO, Bindings for low level C library IO, Version574.3.1[117X (2014), ((GAP package)),58http://www-groups.mcs.st-and.ac.uk/~neunhoef/Computer/Software/Gap/io.html.5960[[20XNic06[120X] [16XNickerson, S. J.[116X, [17XAn Atlas of Characteristic Zero Representations[117X,61Phd thesis, School of Mathematics, University of Birmingham (2006).6263[[20XNW05[120X] [16XNickerson, S. J. and Wilson, R. A.[116X, [17XSemi-presentations for the64sporadic simple groups[117X, [18XExperiment. Math.[118X, [19X14[119X, 3 (2005), 359–371.6566[[20XRin[120X] [16XRinge, M.[116X, [17XThe C MeatAxe, Version 2.4[117X,67http://www.math.rwth-aachen.de/~MTX.6869[[20XSWW00[120X] [16XSuleiman, I. A. I., Walsh, P. G. and Wilson, R. A.[116X, [17XConjugacy70classes in sporadic simple groups[117X, [18XComm. Algebra[118X, [19X28[119X, 7 (2000), 3209–3222.7172[[20XWil96[120X] [16XWilson, R. A.[116X, [17XStandard generators for sporadic simple groups[117X, [18XJ.73Algebra[118X, [19X184[119X, 2 (1996), 505–515.7475[[20XATLAS[120X] [16XWilson, R. A., Walsh, P., Tripp, J., Suleiman, I., Parker, R. A.,76Norton, S. P., Nickerson, S., Linton, S., Bray, J. and Abbott, R.[116X, [17XATLAS of77Finite Group Representations[117X, http://brauer.maths.qmul.ac.uk/Atlas/v3.78798081[32X828384