You can sort the groups in each topic individually with the following commands:
Sort the current topic alphabetically by group name
(gnus-topic-sort-groups-by-alphabet
).
Sort the current topic by the number of unread articles
(gnus-topic-sort-groups-by-unread
).
Sort the current topic by group level
(gnus-topic-sort-groups-by-level
).
Sort the current topic by group score
(gnus-topic-sort-groups-by-score
). See Group Score.
Sort the current topic by group rank
(gnus-topic-sort-groups-by-rank
). See Group Score.
Sort the current topic alphabetically by back end name
(gnus-topic-sort-groups-by-method
).
Sort the current topic alphabetically by server name
(gnus-topic-sort-groups-by-server
).
Sort the current topic according to the function(s) given by the
gnus-group-sort-function
variable
(gnus-topic-sort-groups
).
When given a prefix argument, all these commands will sort in reverse order. See Sorting Groups, for more information about group sorting.