How do I calculate number of generators of SO(5)?

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In summary, the number of generators of SO(5) can be calculated using the formula n(n-1)/2, where n is the dimension of the group. The dimension of SO(5) is 10, making it a 10-dimensional group with 10 independent parameters. The number of generators is significant as it determines the number of independent transformations needed to generate the group and forms the basis for the Lie algebra of SO(5). This formula can also be applied to other special orthogonal groups, but the resulting number of generators will vary.
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arroy_0205
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The group SO(5) is relevant at times in particle physics. Can anybody please explain how to calculate the number of generators of SO(5)?
 
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With SO(n), you can rotate axis 1 into axes 2, 3,...,N. With axis 2, you can rotate it into 3,...N. So, SO(n) has (N-1)+(N-2)+...+1 = N(N-1)/2 generators. So, SO(2) has 1, SO(3) has 3, SO(4) has 6 and SO(5) has 10. Hope this helps.
 
  • #3
Thanks a lot for your reply. I understand this now.
 

What is the formula for calculating the number of generators of SO(5)?

The formula for calculating the number of generators of SO(5) is given by n(n-1)/2, where n is the dimension of the group, in this case n=5.

How do I determine the dimension of SO(5)?

The dimension of SO(5) can be determined by counting the number of independent parameters needed to specify an element in the group. In this case, SO(5) is a 10-dimensional group, so there are 10 independent parameters.

What is the significance of the number of generators in SO(5)?

The number of generators in SO(5) is important because it tells us the number of independent transformations needed to generate the group. These generators are the basis for the Lie algebra of SO(5) and are used to describe the group's symmetries and properties.

Can the number of generators of SO(5) be calculated for any dimension?

Yes, the formula for calculating the number of generators of SO(n) can be applied to any dimension n, as long as n is a positive integer. The resulting number of generators will depend on the dimension of the group.

How does the number of generators of SO(5) compare to other special orthogonal groups?

The number of generators of SO(5) is unique to this particular group. Other special orthogonal groups, such as SO(3) and SO(4), will have different numbers of generators. However, the formula n(n-1)/2 can still be used to calculate the number of generators for any special orthogonal group.

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