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Bug fixes:
- Fixed printing of congruence subgroups given in terms of intersection
of the basic congruence subgroups.
- Fixed testing of equivalence of matrices with respect to the action of
some congruence group.
- Fixed testing of equivalence of points in the upper half plane under
action of some congruence subgroup.
- Corrected type of labels attribute of the SymFry type.
New features:
- New function FindWord which expresses an element of a congruence
subgroup in terms of the given list of generators for the group.
- Function CongruenceSubgroup now works properly with dirichlet
characters allowed to be used in defining a congruence subgroup.
- For convenience, the signature product SpcHypElt * RngElt is
now supported.
Next: Basic Rings
Up: Groups
Previous: Automatic Groups [HB 31]