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Classification of the Subgroups of the Two-Qubit Clifford Group

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arxiv 2409.14624 v1 pith:7R6326AL submitted 2024-09-22 quant-ph math-phmath.GRmath.MPmath.RT

classification quant-phmath-phmath.GRmath.MPmath.RT
keywords grouptwo-qubitcliffordgroupsclassificationsubgroupscommunitycomplete
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We perform a complete classification of all 56 subgroups of the two-qubit Clifford group containing the two-qubit Pauli group. We provide generators for these groups using gates familiar to the quantum information community and we reference these groups against the group libraries provided in GAP. We also list several families of groups in higher levels of the two-qubit Clifford hierarchy.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Multi-Qubit Golden Gates

    math.NT 2025-09 conditional novelty 7.0 of 10

    Multi-qubit golden and super-golden gate sets, including 2-qubit Clifford+CS, are constructed with provably optimal covering rates up to polylog factors, giving 4.8x to 10x asymptotic reductions in expensive gate count.

  2. Limits of Clifford Disentangling in Tensor Network States

    quant-ph 2026-02 conditional novelty 5.0 of 10

    Clifford disentangling of tensor-network states works only up to a linear number of T gates; beyond that, magic accumulation defeats it, and a no-go theorem blocks universal single-qubit disentangling.

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