Please determine the all 2-subgroups of Z8.

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- Dec 26th 2012, 11:56 AMseventhson2-subgroup of Z8
Please determine the all 2-subgroups of Z8.

- Dec 26th 2012, 12:23 PMHallsofIvyRe: 2-subgroup of Z8
What have you tried yourself? Can write out the operation table for Z8?

- Dec 29th 2012, 09:37 AMseventhsonRe: 2-subgroup of Z8
- Dec 29th 2012, 09:49 AMHallsofIvyRe: 2-subgroup of Z8
Great! Tell us what your solution is and we will help you check it.

- Jan 7th 2013, 12:07 PMseventhsonRe: 2-subgroup of Z8
- Jan 7th 2013, 12:39 PMDevenoRe: 2-subgroup of Z8
you missed <1> = Z

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