You can configure Access Manager to provide the single sign-on services to the Google applications by using SAML 2.0.
For more information, see Setting Up Google Applications
in the NetIQ Access Manager 24.2 (v5.1) Administration Guide.
Access Manager also provides an easy way to configure this federation by using a connector. For more information, see Access Manager CE 24.2 (v5.1) Applications Configuration Guide.