what is the structure of Wagner group?

 The structure of the Wagner Group is complex and multifaceted. Here is an overview of its structure based on the search results:

1. Leadership: The Wagner Group was controlled by Yevgeny Prigozhin, a Russian oligarch and close associate of President Vladimir Putin
   3
   4
   . However, it is unclear what will happen to the group after Prigozhin's death
   1
   .
2. Private Military Company (PMC): The Wagner Group is officially known as PMC Wagner (ChVK Vagner) 
   4
   . It is a state-funded paramilitary organization composed of mercenaries
   4
   . The group has been described as a de facto private army of Putin's former close ally, Prigozhin
   4
   .
3. Network of Companies: The Wagner Group does not exist as a single incorporated entity but rather as a network of interacting companies with varying degrees of proximity to Prigozhin's Concord group
   4
   . These companies include Concord Management and Consulting and Concord Catering
   4
   . This complex structure has allegedly made it difficult for western governments to restrict Wagner's activities
   4
   .
4. Operations: The Wagner Group has been involved in various conflicts and regions, including Ukraine, Syria, and several African countries
   2
   5
   . It has played a significant role in Russia's strategy in Ukraine, holding cities and engaging in combat
   1
   2
   . In Africa, the group has provided military and security support to several countries
   5
   . Wagner's activities have expanded its influence and presence globally
   6
   .
5. Alleged Links to Extremism: While the Wagner Group is not ideologically driven, there have been allegations of links to neo-Nazism and far-right extremism among some members
   4
   .

It's important to note that the exact details of the Wagner Group's structure may not be fully known due to its secretive nature.