Also known as
Hence some sources refer to a Fedorov group just as a space group.
Crystallographers can be seen to refer to these groups as the crystallography groups, as this is the field in which they originated.
Source of Name
This entry was named for Evgraf Stepanovich Fedorov.
His original list had $2$ omissions and $1$ duplication.
Arthur Moritz Schönflies, also in $1891$, independently investigated the same groups, but his list had $4$ omissions and $1$ duplication.