How to write L_{1} within a textit{} function

Question

Im trying to write L_{1} in a \textit{} function.

\textit{L_{1}}

But this just gives me

How can I make it (ignore the overline):

That's a very simple task. I recommend you read one of the many resources listed under What are good learning resources for a LaTeX beginner? or if English is not your first language see LaTeX Introductions in languages other than English. — Henri Menke, Apr 28 '22 at 19:09

score 3 · Accepted Answer · answered Apr 28 '22 at 15:49

3

You need the math mode.

$\mathit{L_1}$

or

$L_1$

answered Apr 28 '22 at 15:49

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