There is only one capital letter: O.
English alphabet: A, H, I, M, O, T, U, V, W, W, YA
There are 10 letters in the alphabet that achieve rotational symmetry when displayed in their capital form. These letters: A, H, I, M, O, U, V, W, X, and Y.
Capital letters using the English Alphabet.
o x l I
Z Q N r Y
14 capital letters of the Latin alphabet and 7 lower case letters have planes of symmetry:Capital letters:ACDHIMOSTUVWXYLower case letters:closvwx
E s i o
H i s x z
H, I, N, O, S, X, and Z