Splitting a cylindrical face vertically

As the title says, I have a very basic problem. I realize there must be a very simple solution but i just cannot wrap my head around it. I want to split a cylinder vertically with lines that are equally spaced appart. I cannot use circular pattern in 3D, to do it manually would be too time consuming. Wrap feature is not ok as i tried making a sketch with lines as linear pattern but i can't insert an equation (pi*diameter/number of split faces i want) in the spacing window, only a value. I added a sketch how i imagine the surface should be split.

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