1-11 is a numeric symbol used by the Aryan Knights, an Idaho-based prison gang, to identify themselves. Substituting letters for numbers, 1 and 11 mean A and K, i.e., Aryan Knights.
The number 12 is a numeric symbol for Aryan Brotherhood groups (as are the numbers 1 and 2 separately), especially the Aryan Brotherhood of Texas. Substituting letters for numbers, 12 equals AB, i.e., Aryan Brotherhood.
The number 13 is a numeric symbol for the Aryan Circle, the large Texas-based racist prison gang. Substituting letters for numbers, 1 and 3 equals A and C, i.e., AC or Aryan Circle.
ALTERNATE NAMES: Aryan Alliance, Brotherhood of Aryan AllianceRead more about 211 Crew
ALTERNATE NAMES: AB, The BrandRead more about Aryan Brotherhood
ALTERNATE NAMES: Texas Aryan Brotherhood, ABTRead more about Aryan Brotherhood of Texas
ALTERNATE NAMES: AC, The DiamondRead more about Aryan Circle
The Aryan Circle is one of the largest white supremacist prison gangs in the United States. Its primary hand sign consists of holding up the thumb and the middle, ring, and little fingers of one hand, signifying the numbers 1 and 3 (which stand for AC). One can also hold up the little finger and the middle and index fingers, plus the thumb.
ALTERNATE NAMES: Bolts Up, Bolts to the SkyRead more about Aryan Nations (hand sign - Tennessee prison gang)
ALTERNATE NAMES: Tennessee Aryan BrotherhoodRead more about Brotherhood Forever