If you could not found a crew that would suit your needs or simply want to have your own group, here you can learn how to do this. In Crew tab on Rockstar Games Social Club website, click on Create a crew. Type in the details on your soon-to-be crew, such as name displayed in the game and on the Social Club website, group's Tag and color. You may tick the Invited only box, if you do not want anyone to join without your permission. Leaving this box empty will allow anyone to join the group. You can also choose the type of the crew and type in its motto. Below, there are ranks admitted to players at certain level. You may type in your own names for the ranks or stick to the customary ones. If everything is ready, click on Save the crew. This option can be found at the bottom of the site. And this way you have just created your own crew in GTA Online.