+**D6d** is a specific [Point Group](/wiki/point-group), describing a particular arrangement of [Symmetry](/wiki/symmetry) elements in three-dimensional space. It embodies a high degree of order, featuring a principal six-fold rotation axis along with perpendicular two-fold axes and reflection planes, often found in hexagonal structures and molecular geometries.
+## See also
+- [Group Theory](/wiki/group-theory)
+- [Crystallography](/wiki/crystallography)
+- [Hexagon](/wiki/hexagon)
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