Final answer:
Option b) sort_field, sort_order, query, max_groups is likely the correct choice for parameters used in searching for a specific group as it includes common search and sorting parameters.
Step-by-step explanation:
When searching for a specific group within a system or an application, various parameters can be used. Among the options provided, option b) sort_field, sort_order, query, max_groups seems the most plausible. These parameters are common in search functionalities. Sort_field and sort_order dictate the ordering of the search results, query is the actual search term, and max_groups could potentially limit the number of groups returned in the search results.