List dnf package groups

List both installed and available package groups:

dnf group list

List only installed package groups:

dnf group list available
dnf group list --available

List the installed package groups:

dnf group list installed
dnf group list --installed

By default, the so called hidden groups are not included in the list.
To make them show up all we need to do is to add the --hidden option:

dnf group list hidden
dnf group list --hidden

To get details about a specific group:

dnf group info virtualization

For more details the -v or --verbose flag can be included