\[CapitalUpsilon] (Mathematica Character Name)

Unicode: 03A5. Aliases: Esc U Esc, Esc Upsilon Esc. Greek letter. Not commonly used. Used in physics for bOverscriptBox[b, _] particles, and in the quantum theory of ...

\[CapitalXi] (Mathematica Character Name)

Unicode: 039E. Aliases: Esc X Esc, Esc Xi Esc. Greek letter. Not commonly used. Used for grand canonical partition function, cascade hyperon and regular language complexity.

\[CHacek] (Mathematica Character Name)

Unicode: 010D. Alias: Esc cv Esc. Letter. Included in ISO Latin-2.

\[Congruent] (Mathematica Character Name)

Unicode: 2261. Alias: Esc === Esc. Infix similarity operator. x ≡ y is by default interpreted as Congruent[x,y]. Used in mathematics for many notions of equivalence and ...

\[Conjugate] (Mathematica Character Name)

Unicode: F3C8. Aliases: Esc co Esc, Esc conj Esc. Superscript postfix operator with built-in evaluation rules. z^ is by default interpreted as Conjugate[z]. Not the same as ...

\[ConjugateTranspose] (Mathematica Character Name)

Unicode: F3C9. Alias: Esc ct Esc. Superscript postfix operator with built-in evaluation rules. m^ is by default interpreted as ConjugateTranspose[m]. Not the same as ...

\[Cross] (Mathematica Character Name)

Unicode: F4A0. Alias: Esc cross Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Cross[x,y]. Not the same as \[Times]. \[Cross] ...

\[CurlyEpsilon] (Mathematica Character Name)

Unicode: 03B5. Aliases: Esc ce Esc, Esc cepsilon Esc. Greek letter. Not the same as \[Element]. Used in physics for Fermi energy and dielectric constant.

\[CurlyPhi] (Mathematica Character Name)

Unicode: 03C6. Aliases: Esc j Esc, Esc cph Esc, Esc cphi Esc. Greek letter. Commonly used as a variant of ϕ.

\[CurlyTheta] (Mathematica Character Name)

Unicode: 03D1. Aliases: Esc cq Esc, Esc cth Esc, Esc ctheta Esc. Greek letter. Used in TraditionalForm for EllipticTheta and RiemannSiegelTheta.