Skip to main content Accessibility help
×
Hostname: page-component-586b7cd67f-vdxz6 Total loading time: 0 Render date: 2024-11-26T07:14:16.666Z Has data issue: false hasContentIssue false

8 - Finite groups and the class-size prime graph revisited

Published online by Cambridge University Press:  21 November 2024

C. M. Campbell
Affiliation:
University of St Andrews, Scotland
M. R. Quick
Affiliation:
University of St Andrews, Scotland
E. F. Robertson
Affiliation:
University of St Andrews, Scotland
C. M. Roney-Dougal
Affiliation:
University of St Andrews, Scotland
D. I. Stewart
Affiliation:
University of Manchester
Get access

Summary

We report on recent progress concerning the relationship that exists between the algebraic structure of a finite group and certain features of its class-size prime graph.

Type
Chapter
Information
Publisher: Cambridge University Press
Print publication year: 2024

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

[1] Alfandary, G., On graphs related to conjugacy classes of groups, Israel J. Math. 86 (1994), 211220.CrossRefGoogle Scholar
[2] Alfandary, G., A graph related to conjugacy classes of solvable groups, J. Algebra 176 (1995), 528533.CrossRefGoogle Scholar
[3] Baer, R., Group elements of prime power index, Trans. Amer. Math. Soc. 75 (1953), 2047.CrossRefGoogle Scholar
[4] Beltrán, A. and Felipe, M.J., On the diameter of a p-regular conjugacy class graph of finite groups, Comm. Algebra 30 (2002), 58615873.CrossRefGoogle Scholar
[5] Beltrán, A. and Felipe, M.J., On the diameter of a p-regular conjugacy class graph of finite groups II, Comm. Algebra 31 (2003), 43934403.CrossRefGoogle Scholar
[6] Beltrán, A. and Felipe, M.J., Finite groups with a disconnected p-regular conjugacy class graph, Comm. Algebra 32 (2004), 35033516.CrossRefGoogle Scholar
[7] Beltrán, A. and Felipe, M.J., Certain relations between p-regular class sizes and the p-structure of p-solvable groups, J. Aust. Math. Soc. 77 (2004), 387400.Google Scholar
[8] Beltrán, A. and Felipe, M.J., Prime powers as conjugacy class lengths of π-elements, Bull. Austral. Math. Soc. 69 (2004), 317325.Google Scholar
[9] Beltrán, A., Felipe, M.J. and Melchor, C., Graphs associated to conjugacy classes of normal subgroups in finite groups, J. Algebra 443 (2015), 335348.CrossRefGoogle Scholar
[10] Bertram, E.A., Herzog, M. and Mann, A., On a graph related to conjugacy classes of groups, Bull. London Math. Soc. 22 (1990), 569575.CrossRefGoogle Scholar
[11] Bianchi, M., Brough, J., Camina, R.D. and Pacifici, E., On vanishing class sizes in finite groups, J. Algebra, 489 (2017), 446459.CrossRefGoogle Scholar
[12] Bonazzi, L., Finite groups whose real classes have prime-power size, preprint, (2022). https://doi.org/10.48550/arXiv.2108.06304Google Scholar
[13] Camina, A.R., Arithmetical conditions on the conjugacy class numbers of a finite group, J. London Math. Soc. 2 (1972), 127132.CrossRefGoogle Scholar
[14] Camina, A.R. and Camina, R.D., The influence of conjugacy class sizes on the structure of finite groups: a survey, Asian-Eur. J. Math. 4 (2011), 559588.CrossRefGoogle Scholar
[15] Casolo, C. and Dolfi, S., The diameter of a conjugacy class graph of finite groups, Bull. London Math. Soc. 28 (1996), 141148.CrossRefGoogle Scholar
[16] Casolo, C. and Dolfi, S., Products of primes in conjugacy class sizes and irreducible character degrees, Israel J. Math. 174 (2009), 403418.CrossRefGoogle Scholar
[17] Casolo, C., Dolfi, S., Pacifici, E. and Sanus, L., Groups whose prime graph on conjugacy class sizes has few complete vertices, J. Algebra 364 (2012), 112.CrossRefGoogle Scholar
[18] Casolo, C., Dolfi, S., Pacifici, E. and Sanus, L., Incomplete vertices in the prime graph on conjugacy class sizes of finite groups, J. Algebra 376 (2013), 4657.CrossRefGoogle Scholar
[19] Chillag, D. and Herzog, M., On the length of the conjugacy classes of finite groups J. Algebra 131 (1990), 110125.CrossRefGoogle Scholar
[20] Dolfi, S., Arithmetical conditions on the length of the conjugacy-classes of a finite group, J. Algebra 174 (1995), 753771.CrossRefGoogle Scholar
[21] Dolfi, S., On independent sets in the class graph of a finite group, J. Algebra 303 (2006), 216224.CrossRefGoogle Scholar
[22] Dolfi, S., Navarro, G. and Tiep, P.H., Primes dividing the degrees of the real characters, Math. Z. 259 (2008), 755774.CrossRefGoogle Scholar
[23] Dolfi, S., Pacifici, E. and Sanus, L., Finite groups with real conjugacy classes of prime size, Israel J. Math. 175 (2010), 179189.CrossRefGoogle Scholar
[24] Dolfi, S., Pacifici, E. and Sanus, L., Groups whose vanishing class sizes are not divisible by a given prime, Arch. Math. 94 (2010), 311317.CrossRefGoogle Scholar
[25] Dolfi, S., Pacifici, E. and Sanus, L., On zeros of characters of finite groups, Group Theory and Computation, Indian Statistical Institute Series, Springer, Singapore (2018).Google Scholar
[26] Dolfi, S., Pacifici, E., Sanus, L. and Sotomayor, V., The prime graph on class sizes of a finite group has a bipartite complement, J. Algebra 542 (2020), 3542.CrossRefGoogle Scholar
[27] Dolfi, S., Pacifici, E., Sanus, L. and Sotomayor, V., Groups whose prime graph on class sizes has a cut vertex, Israel J. Math. 244 (2021), 775805.CrossRefGoogle Scholar
[28] Erko¸c, T., Güngör, S.B. and Akar, G., SM-vanishing conjugacy classes of finite groups, J. Algebra Appl. DOI: 10.1142/S0219498825500471.CrossRefGoogle Scholar
[29] Felipe, M.J., Kazarin, L., Martínez-Pastor, A. and Sotomayor, V., On products of groups and indices not divisible by a given prime, Monatsh. Math. 193 (2020), 811827.CrossRefGoogle Scholar
[30] Felipe, M.J., Martínez-Pastor, A. and Ortiz-Sotomayor, V.M., Prime power indices in factorised groups, Mediterr. J. Math. 14 (2017), 225.CrossRefGoogle Scholar
[31] Felipe, M.J., Martínez-Pastor, A. and Ortiz-Sotomayor, V.M., Zeros of irreducible characters in factorised groups, Ann. Mat. Pura Appl. 198 (2019), 129142.CrossRefGoogle Scholar
[32] Guralnick, R.M., Navarro, G. and Tiep, P.H., Real class sizes and real character degrees, Math. Proc. Camb. Phil. Soc. 150 (2011), 4771.CrossRefGoogle Scholar
[33] Isaacs, I.M. and Navarro, G., Groups whose real irreducible characters have degrees coprime to p, J. Algebra 356 (2012), 195206.CrossRefGoogle Scholar
[34] Itˆo, N., On finite groups with given conjugate types, I, Nagoya Math. J. 6 (1953), 1728.CrossRefGoogle Scholar
[35] Lewis, M.L., An overview of graphs associated with character degrees and conjugacy class sizes in finite groups, Rocky Mt. J. Math. 38 (2008), 175211.CrossRefGoogle Scholar
[36] Lu, Z. and Zhang, J., On the diameter of a graph related to p-regular conjugacy classes of finite groups, J. Algebra 231 (2000), 705712.CrossRefGoogle Scholar
[37] Navarro, G., Sanus, L. and Tiep, P.H., Real characters and degrees, Israel J. Math. 171 (2009), 157173.CrossRefGoogle Scholar
[38] Qian, G. and Wang, Y., On class size of p-singular elements in finite groups, Comm. Algebra 37 (2009), 11721181.CrossRefGoogle Scholar
[39] Robati, S.M. and Hafezieh-Balaman, R., Groups whose vanishing class sizes are p-powers, Comm. Algebra, (2023). https://doi.org/10.1080/00927872.2023.2175841CrossRefGoogle Scholar
[40] Sotomayor, V., Finite groups whose prime graph on class sizes is a block square, Comm. Algebra 50 (2022), 3995-3999.CrossRefGoogle Scholar
[41] Sylow, M.L., Théorèmes sur les groupes de substitutions, Math. Ann. 5 (1872), 584594.CrossRefGoogle Scholar
[42] Tiep, P.H., Real ordinary characters and real Brauer characters, Trans. Amer. Math. Soc. 367 (2015), 12731312.CrossRefGoogle Scholar
[43] Tong-Viet, H.P., Real class sizes, Israel J. Math. 228 (2018), 753769.CrossRefGoogle Scholar

Save book to Kindle

To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.

Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

Available formats
×

Save book to Dropbox

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.

Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

Available formats
×