A finite group whose irreducible characters are rational valued is called a rational or a Q-group. In this paper we obtain various results concerning the structure of a Sylow 2-subgroup of a solvable Q-group.
@article{urn:eudml:doc:41873, title = {Sylow 2-subgroups of solvable Q-groups.}, journal = {Extracta Mathematicae}, volume = {22}, year = {2007}, pages = {83-91}, zbl = {1160.20006}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41873} }
Darafsheh, Mohammad Reza; Sharifi, H. Sylow 2-subgroups of solvable Q-groups.. Extracta Mathematicae, Tome 22 (2007) pp. 83-91. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41873/