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E₉ in nLab

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SL(2,ℝ)SL(2,\mathbb{R})1 SL ( 2 , ℤ ) SL(2,\mathbb{Z}) S-dualityD=10 type IIB supergravity SL(2,ℝ)×(2,\mathbb{R}) \times O(1,1)ℤ 2\mathbb{Z}_2 SL ( 2 , ℤ ) SL(2,\mathbb{Z}) ×ℤ 2\times \mathbb{Z}_2D=9 supergravity SU(3)×\times SU(2)SL(3,ℝ)×SL(2,ℝ)(3,\mathbb{R}) \times SL(2,\mathbb{R})O(2,2;ℤ)O(2,2;\mathbb{Z})SL(3,ℤ)×SL(2,ℤ)SL(3,\mathbb{Z})\times SL(2,\mathbb{Z})D=8 supergravity SU(5)SL(5,ℝ)SL(5,\mathbb{R})O(3,3;ℤ)O(3,3;\mathbb{Z})SL(5,ℤ)SL(5,\mathbb{Z})D=7 supergravity Spin(10)Spin(5,5)Spin(5,5)O(4,4;ℤ)O(4,4;\mathbb{Z})O(5,5,ℤ)O(5,5,\mathbb{Z})D=6 supergravity E₆E 6(6)E_{6(6)}O(5,5;ℤ)O(5,5;\mathbb{Z})E 6(6)(ℤ)E_{6(6)}(\mathbb{Z})D=5 supergravity E₇E 7(7)E_{7(7)}O(6,6;ℤ)O(6,6;\mathbb{Z})E 7(7)(ℤ)E_{7(7)}(\mathbb{Z})D=4 supergravity E₈E 8(8)E_{8(8)}O(7,7;ℤ)O(7,7;\mathbb{Z})E 8(8)(ℤ)E_{8(8)}(\mathbb{Z})D=3 supergravity E₉E 9(9)E_{9(9)}O(8,8;ℤ)O(8,8;\mathbb{Z})E 9(9)(ℤ)E_{9(9)}(\mathbb{Z})D=2 supergravityE₈-equivariant elliptic cohomology E₁₀E 10(10)E_{10(10)}O(9,9;ℤ)O(9,9;\mathbb{Z})E 10(10)(ℤ)E_{10(10)}(\mathbb{Z}) E₁₁E 11(11)E_{11(11)}O(10,10;ℤ)O(10,10;\mathbb{Z})E 11(11)(ℤ)E_{11(11)}(\mathbb{Z})