here simple example for your code
$('input.check11').click(function(){
$('input.check21').prop('checked',this.checked)
$('input.check22').prop('checked', false)
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form class="form-inline" role="form">
<div class="col-xs-3">
<div class="pic-container">
<label>
<span><input type="checkbox" name="discounting" class="check11" value="">all</span><br>
</label>
</div>
</div>
<div class="col-xs-3">
<div class="pic-container">
<label>
<span><input type="checkbox" checked name="discounting" class="check22" value="">test1</span><br>
</label>
<label>
<span><input type="checkbox" checked name="discounting" class="check22" value="">test1</span><br>
</label>
<label>
<span><input type="checkbox" name="discounting" class="check21" value="">test1</span><br>
</label>
<label>
<span><input type="checkbox" name="discounting" class="check21" value="">test1</span><br>
</label>
<label>
<span><input type="checkbox" name="discounting" class="check21" value="">test1</span><br>
</label>
<label>
<span><input type="checkbox" name="discounting" class="check21" value="">test1</span><br>
</label>
</div>
</div>
</form>