单倍群写法问题

{"result":"O2a2b1a1a1a2a","case_id":"HAPLOGROUP_Y","prefix":null,"description":"\u7236\u7cfb\u5355\u500d\u7fa4","color":null,"detail_url":"\/report2\/haplogroup\/y"} 刚做了基因检测的吴姓小白
请问你们后面括号(M133)是哪来的，还有为啥23魔方显示的单倍群像是简写，但又查不出这种写法？还请大神讲解科普