Timeline for Reference for fact about reduction mod $p$ of a representation of a finite group
Current License: CC BY-SA 4.0
6 events
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| Jun 28, 2021 at 23:55 | answer | added | Alex B. | timeline score: 1 | |
| Jun 28, 2021 at 19:17 | comment | added | Ben Webster♦ | @GeoffRobinson I was about to write the same thing: Consider the augmentation ideal in $\mathbb{Z}C_3$; this is irreducible over $\mathbb{F}_p$ if p is congruent to 2 mod 3, but not over $\mathbb{C}$. You need to either say absolutely irreducible or assume that the fields are algebraically closed. | |
| Jun 28, 2021 at 19:17 | history | edited | Gina | CC BY-SA 4.0 |
added 22 characters in body
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| Jun 28, 2021 at 18:55 | history | edited | Adrien |
added reference request tag
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| Jun 28, 2021 at 18:55 | review | First posts | |||
| Jun 28, 2021 at 19:47 | |||||
| Jun 28, 2021 at 18:48 | history | asked | Gina | CC BY-SA 4.0 |