fglrx-kernel-15.9 software package provides virtual package provided by fglrx-modules-dkms, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fglrx-kernel-15.9
fglrx-kernel-15.9 is installed in your system.
Make ensure the fglrx-kernel-15.9 package were installed using the commands given below,
$ sudo dpkg-query -l | grep fglrx-kernel-15.9*
You will get with fglrx-kernel-15.9 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Virtual packages |
| Package | fglrx-kernel-15.9 |
| Version | |
| Description | virtual package provided by fglrx-modules-dkms |
| Sub Section | virtual |