Dying in the name of god (in Judaism it's called "dying al kiddush hashem") is a belief that many religions have. I wouldn't be so quick to die. My dad used to say, "Once you're dead, you're going to be dead a long, long time!" Like forever, I believe.
The booklet, The Story of Chanukah, published by Chabad's Kehot publshing said, "... and
Forum: "Cults," Sects, and "New Religious Movements"