Send External Login Data to Controller

I need to login through Facebook, I have the login page, which renders a @Html.Partial _LoginExternal Follow the code of the two:

@using EuVotoAf.Models
@model LoginViewModel
@{
    ViewBag.Title = "Log in";
}


<div id="loginbox" style="margin-top:50px" class="mainbox col-md-6 col-md-offset-3 col-sm-8 col-sm-offset-2">

    <div class="panel panel-info">
        <div class="panel-heading">
            <div class="panel-title">Entrar</div>
            <div style="float:right; font-size: 80%; position: relative; top:-10px"><a href="#">Forgot password?</a></div>
        </div>

        <section id="loginForm" style="padding-top:30px" class="panel-body">
            @using (Html.BeginForm("Login", "Account", new { ReturnUrl = ViewBag.ReturnUrl }, FormMethod.Post, new { @class = "form-horizontal", role = "form" }))
            {
                <div style="display:none" id="login-alert" class="alert alert-danger col-sm-12"></div>

                    <div style="margin-bottom: 25px" class="input-group">
                        <span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
                        @Html.TextBoxFor(m => m.Email, new { @class = "form-control", @placeholder = "Email" })
                    </div>

                    <div style="margin-bottom: 25px" class="input-group">
                        <span class="input-group-addon"><i class="glyphicon glyphicon-lock"></i></span>
                        @Html.TextBoxFor(m => m.Password, "", new { @class = "form-control", @placeholder = "Senha" })
                    </div>
                    <div class="input-group">
                        <div class="checkbox">
                            <label>
                                @Html.CheckBoxFor(m => m.RememberMe, new { @type = "checkbox", @name = "remember", @value = "1" })
                                @Html.LabelFor(m => m.RememberMe)
                            </label>
                        </div>
                    </div>
                    <div style="margin-top:10px" class="form-group">
                        <!-- Button -->

                        <div class="col-sm-12 controls">
                            <input type="submit" value="Log in" class="btn btn-success" /> <br />

                            <div style="padding-top:2px">
                                <section id="socialLoginForm">
                                    @Html.Partial("_LoginExternal", new ExternalLoginListViewModel { ReturnUrl = ViewBag.ReturnUrl })
                                </section>
                            </div>
                        </div>
                    </div>


                    <div class="form-group">
                        <div class="col-md-12 control">
                            <div style="border-top: 1px solid#888; padding-top:15px; font-size:85%">
                                Não possui uma conta ? @Html.ActionLink("Registrar", "Register")
                            </div>
                        </div>
                    </div>
            }
        </section>
    </div>
</div>

_LoginExternal

@model EuVotoAf.Models.ExternalLoginListViewModel
@using Microsoft.Owin.Security

@{
    var loginProviders = Context.GetOwinContext().Authentication.GetExternalAuthenticationTypes();
    using (Html.BeginForm("ExternalLogin", "Account", new { ReturnUrl = Model.ReturnUrl }))
    {
        @Html.AntiForgeryToken()
        <div id="socialLoginList">
            <p>
                @foreach (AuthenticationDescription p in loginProviders) { 
                    <button type="submit" class="btn btn-primary" id="@p.AuthenticationType" name="provider" value="@p.AuthenticationType" title="Log in using your @p.Caption account">@p.AuthenticationType</button>
                }
            </p>
        </div>
    }
}

However, when you click the submit button, _LoginExternal nothing happens, and the method does not even enter controller that @Html.BeginForm is linked. I tested it and made sure that authentication is correct. It loads the data in the snippets:

@{
    var loginProviders = Context.GetOwinContext().Authentication.GetExternalAuthenticationTypes();
    using (Html.BeginForm("ExternalLogin", "Account", new { ReturnUrl = Model.ReturnUrl }))
    {
        @Html.AntiForgeryToken()
        <div id="socialLoginList">
            <p>
                @foreach (AuthenticationDescription p in loginProviders) { 
                    <button type="submit" class="btn btn-primary" id="@p.AuthenticationType" name="provider" value="@p.AuthenticationType" title="Log in using your @p.Caption account">@p.AuthenticationType</button>
                }
            </p>
        </div>
    }
}

And does not send to AccountController

[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult ExternalLogin(string provider, string returnUrl)
{
    // Request a redirect to the external login provider
    return new ChallengeResult(provider, Url.Action("ExternalLoginCallback", "Account", new { ReturnUrl = returnUrl }));
}

What in this code is wrong, or missing?