discourse/app/assets/javascripts/admin/templates/group.hbs

<form class="form-horizontal">

  <div>
    {{#if model.automatic}}
      <h3>{{model.name}}</h3>
    {{else}}
      <label for="name">{{i18n 'admin.groups.name'}}</label>
      {{text-field name="name" value=model.name placeholderKey="admin.groups.name_placeholder"}}
    {{/if}}
  </div>

  {{#if model.id}}
    {{#unless model.automatic}}
      {{#if model.hasOwners}}
      <div>
        <label for='owner-list'>{{i18n 'admin.groups.group_owners'}}</label>
        <div class="ac-wrap clearfix" id='owner-list'>
          {{#each model.owners as |member|}}
            {{group-member member=member removeAction="removeOwner"}}
          {{/each}}
        </div>
      </div>
      {{/if}}
      <div>
        <label for="owner-selector">{{i18n 'admin.groups.add_owners'}}</label>
        {{user-selector usernames=model.ownerUsernames placeholderKey="admin.groups.selector_placeholder" id="owner-selector"}}
        {{d-button action="addOwners" class="add" icon="plus" label="admin.groups.add"}}
      </div>
    {{/unless}}
    <div>
      <label>{{i18n 'admin.groups.group_members'}} ({{model.user_count}})</label>
      <div>
        <a class="previous {{if showingFirst 'disabled'}}" {{action "previous"}}>{{fa-icon "fast-backward"}}</a>
        {{currentPage}}/{{totalPages}}
        <a class="next {{if showingLast 'disabled'}}" {{action "next"}}>{{fa-icon "fast-forward"}}</a>
      </div>
      <div class="ac-wrap clearfix">
        {{#each model.members as |member|}}
          {{group-member member=member automatic=model.automatic removeAction="removeMember"}}
        {{/each}}
      </div>
    </div>

    {{#unless model.automatic}}
      <div>
        <label for="user-selector">{{i18n 'admin.groups.add_members'}}</label>
        {{user-selector usernames=model.usernames placeholderKey="admin.groups.selector_placeholder" id="user-selector"}}
        {{d-button action="addMembers" class="add" icon="plus" label="admin.groups.add"}}
      </div>
    {{/unless}}
  {{/if}}

  <div>
    <label>
      {{input type="checkbox" checked=model.visible}}
      {{i18n 'groups.visible'}}
    </label>
  </div>

  {{#unless model.automatic}}
  <div>
    <label for="primary_group">
      {{input type="checkbox" checked=model.primary_group}}
      {{i18n 'admin.groups.primary_group'}}
    </label>
  </div>
  {{/unless}}

  <div>
    <label for="alias">{{i18n 'groups.alias_levels.title'}}</label>
    {{combo-box name="alias" valueAttribute="value" value=model.alias_level content=aliasLevelOptions}}
  </div>

  {{#unless model.automatic}}
    <div>
      <label for="automatic_membership">{{i18n 'admin.groups.automatic_membership_email_domains'}}</label>
      {{list-setting name="automatic_membership" settingValue=model.emailDomains}}
      <label>
        {{input type="checkbox" checked=model.automatic_membership_retroactive}}
        {{i18n 'admin.groups.automatic_membership_retroactive'}}
      </label>
    </div>

    <div>
      <label for="title">
        {{i18n 'admin.groups.default_title'}}
      </label>
        {{input value=model.title}}
    </div>

    <div>
      <label for="grant_trust_level">{{i18n 'groups.trust_levels.title'}}</label>
      {{combo-box name="grant_trust_level" valueAttribute="value" value=model.grant_trust_level content=trustLevelOptions}}
    </div>

    {{#if siteSettings.email_in}}
      {{#plugin-outlet "group-email-in"}}
        <label for="incoming_email">{{i18n 'admin.groups.incoming_email'}}</label>
        {{text-field name="incoming_email" value=model.incoming_email placeholderKey="admin.groups.incoming_email_placeholder"}}
      {{/plugin-outlet}}
    {{/if}}
  {{/unless}}

  {{#unless model.automatic}}
    <div class="flair_inputs">
      <div class="flair_left">
        <div>
          <label for="flair_url">{{i18n 'admin.groups.flair_url'}}</label>
          {{text-field name="flair_url" value=model.flair_url placeholderKey="admin.groups.flair_url_placeholder"}}
        </div>

        <div>
          <label for="flair_bg_color">{{i18n 'admin.groups.flair_bg_color'}}</label>
          {{text-field name="flair_bg_color" class="flair_bg_color" value=model.flair_bg_color placeholderKey="admin.groups.flair_bg_color_placeholder"}}
        </div>

        {{#if flairPreviewIcon}}
          <div>
            <label for="flair_color">{{i18n 'admin.groups.flair_color'}}</label>
            {{text-field name="flair_color" class="flair_color" value=model.flair_color placeholderKey="admin.groups.flair_color_placeholder"}}
          </div>
        {{/if}}
      </div>

      {{#if flairPreviewIcon}}
        <div class="flair_right">
          <div>
            <label>{{i18n 'admin.groups.flair_preview'}} Icon</label>
            <div class="avatar-flair-preview">
              <div class="avatar-wrapper">
                <img alt width="45" height="45" src="{{demoAvatarUrl}}" class="avatar actor">
              </div>
              <div class="avatar-flair demo {{flairPreviewClasses}}" style={{flairPreviewStyle}}>
                <i class="fa {{model.flair_url}}"></i>
              </div>
            </div>
          </div>
        </div>
      {{/if}}

      {{#if flairPreviewImage}}
        <div class="flair_right">
          <div>
            <label>{{i18n 'admin.groups.flair_preview'}} Image</label>
            <div class="avatar-flair-preview">
              <div class="avatar-wrapper">
                <img alt width="45" height="45" src="{{demoAvatarUrl}}" class="avatar actor">
              </div>
              <div class="avatar-flair demo {{flairPreviewClasses}}" style={{flairPreviewStyle}}></div>
            </div>
          </div>
        </div>
      {{/if}}

      <div class="clearfix"></div>
    </div>
  {{/unless}}

  <div class='buttons'>
    <button {{action "save"}} disabled={{disableSave}} class='btn btn-primary'>{{i18n 'admin.customize.save'}}</button>
    {{#unless model.automatic}}
      <button {{action "destroy"}} class='btn btn-danger'>{{fa-icon "trash-o"}}{{i18n 'admin.customize.delete'}}</button>
    {{/unless}}

    <span class="saving {{unless savingStatus 'hidden'}}">{{savingStatus}}</span>
  </div>

</form>