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Tag Archives: lagrange’s theorem
Casual Introduction to Group Theory (4)
Cosets and Lagrange’s Theorem [ This post approximately corresponds to chapter IV from the old group theory blog. ] The main theorem in this post is Lagrange’s theorem: if H ≤ G is a subgroup then H divides G. But first, let’s consider … Continue reading
Posted in Notes
Tagged advanced, cosets, double cosets, group theory, groups, lagrange's theorem
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