Navigate to the site collection http://c4968397007/. Click on Settings, and then click on Site Settings. Click on Term store management which is available under Site Administration section. You could be able to see all the groups in the Taxonomy Term Store. In this blog you will see how to check if the group is a site collection group using client side object model in SharePoint 2013.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections.ObjectModel;
using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.Taxonomy;
namespace TaxonomyCodeSamples
{
class Program
{
static void Main(string[] args)
{
// ClienContext - Get the context for the SharePoint Site

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