131 is alphanumeric code for ACA, "Anti Communist Action." Used by The Nationalist Social Club (NSC) to describe themselves, 131 Crew, or to describe their turf, 131 Zone.

311 is the alphanumeric code for KKK. K is the 11th letter in the alphabet so 3 times 11 is KKK.

318 is the numeric code for the British white supremacist group Combat 18. The 3 represents the letter C, so C 18, or Combat 18.

511 is the numeric code for the European Kindred, a white supremacist prison gang based in Oregon. The 5 = E and the 11=K for European Kindred.

737 is the numeric code used by the California-based white supremacist group, Public Enemy Number 1, which is active in the prisons and on the streets of California. The numbers 737 correspond to the letters P, D... Read more

The Sturmabteilung (or SA) emblem was used by Hitler's so-called "Brownshirts," paramilitary formations Hitler utilized to intimidate political opponents before and after his rise to power in Germany. Today it is used by neo-Nazis and other modern-day... Read more

The swastika is an ancient symbol that emerged independently among many cultures. Before the 20th century, its use was almost always benign, and it is still a common religious symbol across Asia associated with good fortune. However... Read more