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  2. List of space groups - Wikipedia

    en.wikipedia.org/wiki/List_of_space_groups

    There are 230 space groups in three dimensions, given by a number index, and a full name in Hermann–Mauguin notation, and a short name (international short symbol). The long names are given with spaces for readability. The groups each have a point group of the unit cell.

  3. Space group - Wikipedia

    en.wikipedia.org/wiki/Space_group

    A space group is called symmorphic (or split) if there is a point such that all symmetries are the product of a symmetry fixing this point and a translation. Equivalently, a space group is symmorphic if it is a semidirect product of its point group with its translation subgroup. There are 73 symmorphic space groups, with exactly one in each ...

  4. Your W-2: How to Understand This Important Tax Form - AOL

    www.aol.com/news/2015-01-17-understand-your-w2.html

    Each W-2 includes information about your employer, including its name, address and tax identification number. It will also have your name, address, and Social Security number. It's important to ...

  5. List of planar symmetry groups - Wikipedia

    en.wikipedia.org/wiki/List_of_planar_symmetry_groups

    17 wallpaper groups – 2D space groups. Rosette groups ... Subgroup relationships among the 17 wallpaper group [2] o 2222

  6. What Is a W-2 Form? Everything You Need to Know for Tax ... - AOL

    www.aol.com/finance/w-2-form-works-223626479.html

    Number 1A on the 1040 form details your total amount from W-2 income, which will be box 1 on your W-2. Number 25 on the 1040 form details the federal income tax withheld on your W-2 forms.

  7. W-2 Forms: Understanding Your Most Important Tax Document - AOL

    www.aol.com/news/2014-01-16-w2-form-key-facts...

    When it comes to figuring your taxable income, the key number on your W-2 is in Box 1, labeled "Wages, Tips, and Other Compensation." ... Your W-2 has a huge amount of vital information to help ...

  8. Pearson symbol - Wikipedia

    en.wikipedia.org/wiki/Pearson_symbol

    For example, both the NaCl structure (space group Fm 3 m) and diamond (space group Fd 3 m) have the same Pearson symbol cF8. Due to this constraint, the Pearson symbol should only be used to designate simple structures (elements, some binary compound) where the number of atoms per unit cell equals, ideally, the number of translationally ...

  9. Monoclinic crystal system - Wikipedia

    en.wikipedia.org/wiki/Monoclinic_crystal_system

    The table below organizes the space groups of the monoclinic crystal system by crystal class. It lists the International Tables for Crystallography space group numbers, [ 2 ] followed by the crystal class name, its point group in Schoenflies notation , Hermann–Mauguin (international) notation , orbifold notation, and Coxeter notation, type ...