lie software package provides Computer algebra package for Lie group computations, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install lie
lie is installed in your system.
Make ensure the lie package were installed using the commands given below,
$ sudo dpkg-query -l | grep lie *
You will get with lie package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | lie |
| Version | 2.2.2+dfsg-2 |
| Description | Computer algebra package for Lie group computations |
| Sub Section | math |