{% trans_default_domain 'FOSUserBundle' %}
{{ form_start(form, { 'action': path('fos_user_group_new'), 'attr': { 'class': 'fos_user_group_new' } }) }}
{{ form_widget(form) }}
<div>
<input type="submit" value="{{ 'group.new.submit'|trans }}" />
</div>
{{ form_end(form) }}