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Homework Help: SU(2) and SO(3)

  1. Jun 5, 2010 #1
    I have not seen why SU(2) and SO(3) groups are isomorphic?
  2. jcsd
  3. Jun 5, 2010 #2

    D H

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    Staff Emeritus
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    They aren't isomorphic. SU(2) is a double cover of SO(3).
  4. Jun 5, 2010 #3
    Their Lie algebras are isomorphic, and they are locally isomorphic...but D H is right - they aren't isomorphic!
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