def list_group_members(self, name, url_prefix, auth, session, send_opts):
        """Get the members of a group (does not include maintainers).

        Args:
            name (string): Name of group to query.
            url_prefix (string): Protocol + host such as https://api.theboss.io
            auth (string): Token to send in the request header.
            session (requests.Session): HTTP session to use for request.
            send_opts (dictionary): Additional arguments to pass to session.send().

        Returns:
            (list[string]): List of member names.

        Raises:
            requests.HTTPError on failure.
        """
        req = self.get_group_members_request(
            'GET', 'application/json', url_prefix, auth, name)

        prep = session.prepare_request(req)
        resp = session.send(prep, **send_opts)
        if resp.status_code == 200:
            resp_json = resp.json()
            return resp_json['members']

        msg = ('Failed getting members of group {}, got HTTP response: ({}) - {}'.format(
            name, resp.status_code, resp.text))
        raise HTTPError(msg, request = req, response = resp)