Hello list,
could this (see below) be a bug?
When I try Zmod(17)(4).multiplicative_order(), I get 4 as expected. But not
with 257 as modulus:
sage: R=Zmod(257)
sage: R(4)
4
sage: R(4).multiplicative_order()
8
sage: Zmod(257)(4).mutliplicative_order()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-55-f15ea556676b> in <module>
----> 1 Zmod(Integer(257))(Integer(4)).mutliplicative_order()
/private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/structure/element.pyx
in sage.structure.element.Element.__getattr__
(build/cythonized/sage/structure/element.c:4832)()
492 AttributeError:
'LeftZeroSemigroup_with_category.element_class' object has no attribute
'blah_blah'
493 """
--> 494 return self.getattr_from_category(name)
495
496 cdef getattr_from_category(self, name):
/private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/structure/element.pyx
in sage.structure.element.Element.getattr_from_category
(build/cythonized/sage/structure/element.c:4944)()
505 else:
506 cls = P._abstract_element_class
--> 507 return getattr_from_other_class(self, cls, name)
508
509 def __dir__(self):
/private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/cpython/getattr.pyx
in sage.cpython.getattr.getattr_from_other_class
(build/cythonized/sage/cpython/getattr.c:2703)()
359 dummy_error_message.cls = type(self)
360 dummy_error_message.name = name
--> 361 raise AttributeError(dummy_error_message)
362 attribute = <object>attr
363 # Check for a descriptor (__get__ in Python)
AttributeError: 'sage.rings.finite_rings.integer_mod.IntegerMod_int' object has
no attribute 'mutliplicative_order'
sage:
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