 Solution

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

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

True. If

G / Z (G)

is generated by

g Z (G)

, write

x = g^{a} z_{1}

y = g^{b} z_{2}

with central

z_{i}

; then

x y = y x

 New to topics? Read the docs here!