Let's break down some of the charges
Article 81—Conspiracy
Maximum punishment. Any person subject to the code who is found guilty of conspiracy shall be subject to the maximum punishment authorized for the offense which is the object of the conspiracy (my comment ---- see article 90 and 134)
Article 93—Cruelty and maltreatment
Maximum punishment Dishonorable discharge, forfeiture of all pay and allowances, and confinement for 1 year. (She got 4 specifications of this charge)
Article 90 --- Assaulting or willfully disobeying a superior officer (recall that this was a charge related to her relationship with Specialist Charles Graner (who by the way got ten years)
Penalties:(2) Willfully disobeying a lawful order of superior commissioned officer. Dishonorable discharge, forfeiture of all pay and allowances, and confinement for 5 years.
(3) In time of war. Death or such other punishment as a court-martial may direct.
Article 134—(Assault—indecent) 
Maximum punishment. Dishonorable discharge, forfeiture of all pay and allowances, and confinement for 5 years.