info prev up next book cdrom email home

Lambda Group

The set of linear fractional transformations $w$ which satisfy

\begin{displaymath}
w(t)={at+b\over ct+d},
\end{displaymath}

where $a$ and $d$ are Odd and $b$ and $c$ are Even. Also called the Theta Subgroup. It is a Subgroup of the Gamma Group.

See also Gamma Group




© 1996-9 Eric W. Weisstein
1999-05-26