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In mathematics, the Hessian group is a finite group of order 216, introduced by who named it for Otto Hesse, given by the group of determinant 1 affine transformations of the affine plane over the field of 3 elements. It acts on the Hesse pencil and the Hesse configuration. Its triple cover is a complex reflection group of order 648, and the product of this with a group of order 2 is another complex reflection group. It has a normal subgroup that is an elementary abelian group of order 32, and the quotient by this subgroup is isomorphic to the group SL2(3) of order 24. ==References== * * * * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hessian group」の詳細全文を読む スポンサード リンク
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