I work as senior dotnet developer my team contain 6 persons seniors and memeber team is bad environment and toxic
I'm last one come on team and my reponsability senior .net developer
i found that 3 persons from team control on all tasks assigned to team and three co workers remaining not have any idea bout tasks
theses three persons compliments each others and they arrange works and tasks between three persons only
i need to make all tasks share and can take tasks from these people but not let me know that
but How to make that
example when ask these three persons for tasks they tell me it finish
when i tell them show me nothing finish
three coworkers send complain to me on managment because i need to know and ask about tasks finish
so How to deal with three coworkers and let them share tasks with me and other teams
sometimes the three people agree with each others to late for standup meeting to prevent me discuss about tasks i will get to work
so How to control pf them and make my work to be seen to managment
my manager believe these three persons becuase he not understand technical he believe them
so they told my manager about me that i worked with old technology but this not happen
can you give me any advice and skills or key to teate with these bad three persons and also can make my manager accept my work ?