The cohomology of the Mathieu group \(M_{22}\) (Q1804907)
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scientific article; zbMATH DE number 751255
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The cohomology of the Mathieu group \(M_{22}\) |
scientific article; zbMATH DE number 751255 |
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The cohomology of the Mathieu group \(M_{22}\) (English)
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14 February 1996
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The author describes the structure of the mod 2 cohomology \(H^* (M_{22}; {\mathbf F}_2)\) of the sporadic group \(M_{22}\). In particular, the kernel of the restriction map from \(H^*(M_{22}; {\mathbf F}_2)\) to the cohomology of conjugacy classes of extremal elementary 2-subgroups is explicitly determined.
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Mathieu group
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sporadic group
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restriction map
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cohomology
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elementary 2- subgroups
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0.98046875
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0.9223968
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0.91348255
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0.9054007
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0.90538895
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0.9016354
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