 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ia/paper-3/2d/c/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

True.

S_{3}

has trivial centre. A central permutation would commute with both

(12)

and

(123)

, which only the identity does.

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