Group cohomology of dihedral group:D8
This article gives specific information, namely, group cohomology, about a particular group, namely: dihedral group:D8.
View group cohomology of particular groups | View other specific information about dihedral group:D8
Homology groups
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Cohomology ring with coefficients in integers
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Second cohomology groups and extensions
Second cohomology groups for trivial group action
| Group acted upon | Order | Second part of GAP ID | Second cohomology group for trivial group action | Extensions | Cohomology information |
|---|---|---|---|---|---|
| cyclic group:Z2 | 2 | 1 | elementary abelian group:E8 | direct product of D8 and Z2, SmallGroup(16,3), nontrivial semidirect product of Z4 and Z4, dihedral group:D16, semidihedral group:SD16, generalized quaternion group:Q16 | second cohomology group for trivial group action of D8 on Z2 |
| cyclic group:Z4 | 4 | 1 | ? | ? | second cohomology group for trivial group action of D8 on Z4 |