Link to iPhone calendar:

https://calendar.google.com/calendar/ical/984a29dec09d4d384392c506aae00ac2514cbd8ae206c3ec0dcfe4b1892c6cd1%40group.calendar.google.com/public/basic.ics

Open Google calendar in new tab:

https://calendar.google.com/calendar/embed?src=984a29dec09d4d384392c506aae00ac2514cbd8ae206c3ec0dcfe4b1892c6cd1%40group.calendar.google.com&ctz=America%2FChicago