redmine/app/views/groups/_form.html.erb

<%= error_messages_for @group %>

<div class="box tabular">
  <p><%= f.text_field :name, :required => true, :size => 60,
           :disabled => !@group.safe_attribute?('name')  %></p>
  <% unless @group.builtin? %>
    <p><%= f.check_box :twofa_required, disabled: !Setting.twofa_optional? %>
      <% if Setting.twofa_required? %>
        <em class="info"><%= l 'twofa_text_group_required' %></em>
      <% elsif !Setting.twofa_optional? %>
        <em class="info"><%= l 'twofa_text_group_disabled' %></em>
      <% end %>
    </p>
  <% end %>

  <% @group.custom_field_values.each do |value| %>
    <p><%= custom_field_tag_with_label :group, value %></p>
  <% end %>
</div>