%0 Journal Article %T Twisted second homology groups of the automorphism group of a free group %A Takao Satoh %J Mathematics %D 2006 %I arXiv %X In this paper, we compute the second homology groups of the automorphism group of a free group with coefficients in the abelianization of the free group and its dual group except for 2-torsion part, using combinatorial group theory. %U http://arxiv.org/abs/math/0608374v2