1
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e_1 € Kerφ_1 (due to homomorphism)
2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
Q
A
Automorphism such that
13
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A
Inn(G) = {as below}
14
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15
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16
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17
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18
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19
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A
