Revision #833 → #1337 · back to history
addedKlein four-group0db7f6059d0d
addedSmallest non-cyclic group1466d1173ed3
addedOnly two groups of order 4085cc26cefb4
addedGroup presentationf4f492bbf30a
addedNon-identity elements have order 241ad88eb2b41
addedIsomorphic to dihedral group of order 471f458b93850
addedIsomorphic to direct sum Z2⊕Z26ddb57cc76ae
addedElementary abelian 2-group / Boolean group1a7343740329
addedSymmetric difference on powerset3e40b660aca0
addedUnits mod 8998251340787
added2×2 real matrix representation1accd6975c17
addedRubik's Cube 4 dots patternd181d759696e
addedSymmetry group of rhombus/rectangle159601ab7013
addedThree 3D symmetry groupsa0f10f2ad072
addedAutomorphism group is S_34029c0948aeb
addedPermutation representation on four points710763cc671c
addedNormal subgroup of A_4 and S_48164e5570bb5
addedOther (non-normal) representations in S_476a5fa7859d1
addedGalois-theoretic role for quartics7c49f95b1f60
addedAdditive substructure of rings of order 4f564f10a82d0
addedQuotient of units of reals520f3f64ceae
addedDiamond graph automorphism group2949df8647ca
addedFour-group in twelve-tone technique56554145b022