| Title:
             | 
The structure of the unit group of the group algebra $\mathbb {F}_{2^k}A_4$ (English) | 
| Author:
             | 
Gildea, Joe | 
| Language:
             | 
English | 
| Journal:
             | 
Czechoslovak Mathematical Journal | 
| ISSN:
             | 
0011-4642 (print) | 
| ISSN:
             | 
1572-9141 (online) | 
| Volume:
             | 
61 | 
| Issue:
             | 
2 | 
| Year:
             | 
2011 | 
| Pages:
             | 
531-539 | 
| Summary lang:
             | 
English | 
| . | 
| Category:
             | 
math | 
| . | 
| Summary:
             | 
The structure of the unit group of the group algebra of the group $A_4$ over any finite field of characteristic 2 is established in terms of split extensions of cyclic groups. (English) | 
| Keyword:
             | 
group ring | 
| Keyword:
             | 
group algebra | 
| Keyword:
             | 
dihedral group | 
| Keyword:
             | 
cyclic group | 
| MSC:
             | 
15A33 | 
| MSC:
             | 
16S34 | 
| MSC:
             | 
16U60 | 
| MSC:
             | 
20C05 | 
| idZBL:
             | 
Zbl 1237.16035 | 
| idMR:
             | 
MR2905421 | 
| DOI:
             | 
10.1007/s10587-011-0071-5 | 
| . | 
| Date available:
             | 
2011-06-06T10:40:01Z | 
| Last updated:
             | 
2020-07-03 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/141551 | 
| . | 
| Reference:
             | 
[1] Bovdi, A. A., Erdei, L.: Unitary units in the modular group algebra of groups of order 16.Technical Reports Debrecen 96/4 (1996), 57-72. MR 1283327 | 
| Reference:
             | 
[2] Bovdi, A. A., Szakács, A.: Unitary subgroup of the group of units of a modular group algebra of a finite abelian $p$-group.Math. Zametki 45 (1989), 23-29. MR 1019032 | 
| Reference:
             | 
[3] Bovdi, V. A., Kovács, L. G.: Unitary units in modular group algebras.Manuscr. Math. 84 (1994), 57-72. MR 1283327, 10.1007/BF02567443 | 
| Reference:
             | 
[4] Bovdi, V., Rosa, A. L.: On the order of the unitary subgroup of a modular group algebra.Commun. Algebra 28 (2000), 1897-1905. Zbl 0952.16022, MR 1747361, 10.1080/00927870008826934 | 
| Reference:
             | 
[5] Creedon, L., Gildea, J.: The structure of the unit group of the group algebra ${\mathbb F}_{2^k}D_{8}$.Can. Math. Bull 54 (2011), 237-243. doi:10.4153/CMB-2010-098-5. MR 2884238, 10.4153/CMB-2010-098-5 | 
| Reference:
             | 
[6] Creedon, L., Gildea, J.: Unitary units of the group algebra ${\mathbb F}_{2^k}Q_{8}$.Internat. J. Algebra Comput. 19 (2009), 283-286. MR 2512555, 10.1142/S0218196709005081 | 
| Reference:
             | 
[7] Davis, P. J.: Circulant Matrices.Chelsea Publishing New York (1979). Zbl 0418.15017, MR 0543191 | 
| Reference:
             | 
[8] Hurley, T.: Group rings and rings of matrices.Int. J. Pure Appl. Math. 31 (2006), 319-335. Zbl 1136.20004, MR 2266951 | 
| Reference:
             | 
[9] Milies, C. Polcino, Sehgal, S. K.: An Introduction to Group Rings.Kluwer Academic Publishers Dordrecht (2002). MR 1896125 | 
| Reference:
             | 
[10] Sandling, R.: Units in the modular group algebra of a finite abelian $p$-group.J. Pure Appl. Algebra 33 (1984), 337-346. Zbl 0543.20008, MR 0761637, 10.1016/0022-4049(84)90066-5 | 
| Reference:
             | 
[11] Sandling, R.: Presentations for units groups of modular group algebras of groups of order 16.Math. Comp. 59 (1992), 689-701. MR 1136226 | 
| Reference:
             | 
[12] Sharma, R. K., Srivastava, J. B., Khan, M.: The unit group of $FA_4$.Publ. Math. Debrecen 71 (2007), 21-26. Zbl 1135.16033, MR 2340031 | 
| . |