De-equivariantized generalized Haagerup modular data for cyclic even parts

Let AA be an abelian group with AeZ2n+1A_e\cong\mathbb{Z}_{2^{n+1}}. Cyclic-even-part de-equivariantization conjecture. The modular data of the Drinfeld center of the Z2\mathbb{Z}_2-de-equivariantization of the generalized Haagerup category for AA are the stated modular data with G=Z2n2×Ao×Ao^G=\mathbb{Z}_{2^n}^2\times A_o\times\widehat{A_o}, q1,e(x,y)=ζ2n+1x2y2q_{1,e}(x,y)=\zeta_{2^{n+1}}^{x^2-y^2}, and q1,o(a,χ)=χ(a)q_{1,o}(a,\chi)=\chi(a). The source reports this for A=Z4A=\mathbb{Z}_4 and A=Z8A=\mathbb{Z}_8; the general claim remains open.

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Primary source

Pinhas Grossman and Masaki Izumi, “Infinite families of potential modular data related to quadratic categories”, arXiv:1906.07397 (2019).

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