eigenvalue = -4.57649	mult 3
eigenvalue = -4	mult 3
eigenvalue = -3.4641	mult 4
eigenvalue = -2	mult 6
eigenvalue = -1.74806	mult 3
eigenvalue = 0	mult 15
eigenvalue = 1.74806	mult 3
eigenvalue = 2	mult 6
eigenvalue = 3.4641	mult 4
eigenvalue = 4	mult 1
eigenvalue = 4.57649	mult 3
eigenvalue = 8	mult 1