What are the relevant statutory references to the Penal Code and/or the Criminal Code?

Footnotes:

^1. All subsequent statutory references are to the Penal Code.

^2. Because there was no preliminary hearing the facts are derived from the probation report.

^3. People v. Marsden (1970) 2 Cal.3d 18.

^4. Because the court denied appellant's request for a certificate of probable cause, appellant is precluded from challenging the validity of the plea or the facts underlying the charges. ( 1237.5; People v. Manriquez (1993) 18 Cal.App.4th 1167, 1170.)