Factions you can join:
Companions
College of Winterhold
Dark Brotherhood
Stormcloaks
Imperials
With the Dawnguard DLC:
Volkihar Vampires
Dawnguard
in skyrim
There's nothing to join, you just buy the game and start playing.
Bards College-The Blades-The College of Winterhold-The Companions-The circle-The Coven of Namira-Dark Brotherhood-Imperial Legion-Nightingales-Stormcloaks-The Thieves Guild
That would be wicked awesome... but you can't.
Not on the regular game, if you really want to, get the game for PC. I'm sure they have a mod for it on the Skyrim Nexus or on Planet Elder Scrolls.
well I'm not actually sure but every website [skyrim sites] it says u can but does not actually tell u how to get the quest.
Join the dark brother hood and eventually you will get the blade of woe
Yes. It gives you a fine piece of equipment.
You go to a person in the group you want's profile and click on groups and join them.
Solidary Groups are groups that people join to respond to solidary incentives - the social rewards that lead people to join political organizations
No, she is an essential character and so can't be given to the Blades.
Clear your browser cache, that should solve your problem.