Soprano:   \(\hat{1}\)  \(\hat{3}\)  \(\hat{5}\)

Bass:      \(\hat{1}\)  \(\hat{3}\)

Inversions:   I   I⁶

Doubling: All acceptable; doubling the root is most common.

    C: I      I       I⁶

    (\(\hat{1}\)\(\hat{1}\)\(\hat{3}\)\(\hat{5}\))    \(\quad(\hat{1}\)\(\hat{1}\)\(\hat{3}\)\(\hat{5}\))   \(\quad(\hat{1}\)\(\hat{1}\)\(\hat{3}\)\(\hat{5}\))