@article { author = {Rismanchian, M.R.}, title = {Generalized Baer-Invariant of a Pair of Groups and Marginal Extension}, journal = {Journal of Sciences, Islamic Republic of Iran}, volume = {23}, number = {3}, pages = {251-256}, year = {2012}, publisher = {University of Tehran}, issn = {1016-1104}, eissn = {2345-6914}, doi = {}, abstract = {In this paper, we give connection between the order of the generalized Baer-invariant of a pair of finite groups and its factor groups, when ? is considered to be the specific variety. Moreover, we give a necessary and sufficient condition in which the generalized Baer-invariant of a pair of groups can be embedded into the generalized Baer-invariant of pair of its factor groups.}, keywords = {}, url = {https://jsciences.ut.ac.ir/article_30535.html}, eprint = {https://jsciences.ut.ac.ir/article_30535_2819dd52747372e48a4e2f0d1f6202fa.pdf} }