How can I get this lambda, taking into account i’m using \usepackage{lmodern} as the main document font.

How can I get this lambda, taking into account i’m using \usepackage{lmodern} as the main document font.

The package textgreek provides commands for greek letters, such as \textlambda.
lmodern is used ;)
– Alessandro Cuttin
Jul 26 '19 at 09:09
\lambdaof the packagenewtxmath. – Sebastiano Jul 26 '19 at 10:46