Please determine the all 2-subgroups of Z8.

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- December 26th 2012, 10:56 AMseventhson2-subgroup of Z8
Please determine the all 2-subgroups of Z8.

- December 26th 2012, 11:23 AMHallsofIvyRe: 2-subgroup of Z8
What have you tried yourself? Can write out the operation table for Z8?

- December 29th 2012, 08:37 AMseventhsonRe: 2-subgroup of Z8
- December 29th 2012, 08:49 AMHallsofIvyRe: 2-subgroup of Z8
Great! Tell us what your solution is and we will help you check it.

- January 7th 2013, 11:07 AMseventhsonRe: 2-subgroup of Z8
- January 7th 2013, 11:39 AMDevenoRe: 2-subgroup of Z8
you missed <1> = Z

_{8}(of order 8, of course), and <0>, of order 1.