group4: STS Unavailable

group4 defines the following Names, but STS signatures are not currently available.

• conjugacy_classes
• conjugacy_class_representatives
• are_conjugate
• conjugacy_class
• left_transversal
• right_transversal
• left_coset
• right_coset
• left_cosets
• right_cosets
• left_coset_representative
• right_coset_representative