Although strictly speaking a homocyclic, inorganic compound, pentazole has historically been classed as the last in a series of heterocyclic azole compounds containing one to five nitrogen atoms.
2.
The proof's penultimate line is, after showing that the commutators uniquely determine most the elements, " thus there exists at most one such group of a given order with Vi ( using your notation ) elementary abelian, and at most one with Vj homocyclic of exponent 4 ".
परिभाषा
containing a closed ring of atoms of the same kind especially carbon atoms पर्याय: isocyclic,
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