EntityQ7280126· pop 5· linked from 10 articlesRader's FFT algorithmSign in to saveDiscrete Fourier transform for prime sizesConnectionsprime numberEntitynumber theoryEntitygroupEntitycomposite numberEntityrecursionEntitybijectionEntitymodular arithmeticEntityEuler's identityEntityconvolutionEntityrecursionEntitypower of twoEntityfast Fourier transformEntitydiscrete Fourier transformEntityprimitive root modulo nEntityMIT Lincoln LaboratoryEntitygenerating set of a groupEntitymodular multiplicative inverseEntitycirculant matrixEntityconvolution theoremEntityCooley–Tukey FFT algorithmEntityCategoriesFast Fourier transforms