Browse (3+1)D groups...
First, select the crystal system, then browse the categories from left to right.
3+1D to 3D group transformation for
commensurate modulation
N1,
N2, N3 - denominators
of q-vector components
(simple N
if there is only one
component).
3D derivatives
inherit basis of parental
(3+1)D group.
To obtain
specific group orientation
and symbol a basis transofrmation
might be necessary.
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Constraints of t level. Variable n stands for any integer.
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