{% form_theme form theme %}

<form action="{{ path('fos_user_group_new') }}" {{ form_enctype(form) }} method="POST" class="fos_user_group_new">

    {{ form_widget(form) }}

    <div>

        <input type="submit" value="{{ 'group.new.submit'|trans([], 'FOSUserBundle') }}" />

    </div>

</form>