In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2111 (BLACK-LETTER CAPITAL I).
See also#
\backslashbase\lnotbase\negbase\Imcommand
The ℑ symbol (Black-letter capital i, U+2111), written as \Im in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2111 (BLACK-LETTER CAPITAL I).
\backslash base\lnot base\neg base\Im command