<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
2.6 3.5 5.1
90 90 90
Mn
0.00 0.00 0.57
Al
0.00 0.00 0.00
Ni
0.30 0.74 0.86
Ni
0.30 0.74 0.28
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.6 3.5 5.1
90 90 90
Mn
0.00 0.00 0.57
Al
0.00 0.00 0.00
Ni
0.30 0.74 0.86
Ni
0.30 0.74 0.28
Identify the crystal system.