A subgroup of a group can also be defined as another abstract group along with an injective homomorphism (or embedding) from that abstract group to the given group. Here, the other abstract group can be naturally identified via its image under the homomorphism, which is the subgroup in a more literal sense.
For the skate brand of the same name, see Roller Derby (brand). Roller derby is a contact sport played by two teams of five members roller skating in the same direction around a track. Game play consists of a series of short match ups (jams) in which both teams designate a jammer who scores points by lapping members of the opposing team.
The Kingda Ka is definitely the king of all roller coasters in the world. It is the worldâs tallest roller coaster, and the fastest one in the United States. The colossal machine was designed by Intamin, and launched at the Six Flags Great Adventure in Jackson, New Jersey, United States on May 21, 2005.