Radier belong to the 1st group.
Radier is conjugated the same way that verbs that end in : -ier
Radier is conjugated with auxiliary avoir.
Radier verb is
direct transitive. Radier verb is a direct transitive verb, so passive voice can be used.
However, although the terminations are perfectly regular, stem can be irregular and have numerous variations.
Radier is conjugated the same way that verbs that end in : -ier.