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In six-dimensional geometry, a pentellated 6-simplex is a convex uniform 6-polytope with 5th order truncations of the regular 6-simplex. There are unique 10 degrees of pentellations of the 6-simplex with permutations of truncations, cantellations, runcinations, and sterications. The simple pentellated 6-simplex is also called an expanded 6-simplex, constructed by an expansion operation applied to the regular 6-simplex. The highest form, the ''pentisteriruncicantitruncated 6-simplex'', is called an ''omnitruncated 6-simplex'' with all of the nodes ringed. == Pentellated 6-simplex == 40px 21+21 × |- |bgcolor=#e7dcc3|4-faces||434 |- |bgcolor=#e7dcc3|Cells||630 |- |bgcolor=#e7dcc3|Faces||490 |- |bgcolor=#e7dcc3|Edges||210 |- |bgcolor=#e7dcc3|Vertices||42 |- |bgcolor=#e7dcc3|Vertex figure||5-cell antiprism |- |bgcolor=#e7dcc3|Coxeter group|| A6×2, , order 10080 |- |bgcolor=#e7dcc3|Properties||convex |} 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「Pentellated 6-simplexes」の詳細全文を読む スポンサード リンク
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