I have just obtained the character table of $D_4$, and now I want to know if all $D_n$ groups have similar character tables. Any help, please?
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There are many references in the literature, e.g., the article Characters of the dihedral group, and Serre's book on linear representations of finite groups.
Dietrich Burde
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Yes, because the relation about your elements. Let $ r $ be rotation and $ s$ be simetry.
$sr=r^{n-1}s$, $r^n=1$ and $s^2=1$.
That's produces similar tables.
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1This isn't sufficient reasoning. The parity of $n$ affects the character table. – lokodiz Apr 19 '18 at 09:51