LaTeX tilde symbol (tilde, wide tilde, under tilde)

Symbol Command
$\tilde{a}$ \tilde{a}
$\tilde{\alpha}$ \tilde{\alpha}
$\tilde{abc}$ \tilde{abc}
$\widetilde{abc}$ \widetilde{abc}
$\utilde{abc}$ \utilde{abc}

LaTeX symbol

LaTeX