antisymmetry group

例句：

1. 1.The antisymmetric group of 2x2 matrices is a set of 4x4 matrices.
   2x2矩阵的反对称群是一个由4x4矩阵组成的集合。
2. 2. In mathematics, the antisymmetric group of a vector space is the group of all permutations of its elements.
   在数学中，一个向量空间的反对称群是其元素所有排列的群。
3. 3. The antisymmetric group of a 2x2 matrix is the group of all possible permutations of its elements.
   一个2x2矩阵的反对称群是其元素所有可能排列的群。