%0 Journal Article %A Aloys Krieg %A Martin Raum %A Annalena Wernz %T The maximal discrete extension of the Hermitian modular group %J Documenta mathematica %D 2021 %P 1871-1888 %V 26 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/859/ %R 10.4171/dm/859 %F 10_4171_dm_859