A group of linear fractional transformations which transform the arguments of Kummer solutions to the hypergeometric differential equation into each other. Define
 |  |  |
(1)
|
 |  |  |
(2)
|
then the elements of the group are 
.
Kummer Group
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Cite this as:
Weisstein, Eric W. "Kummer Group." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/KummerGroup.html