# 219 Fedorov Groups

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## Theorem

There are $219$ Fedorov groups, if chiral copies are considered the same.

## Proof

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $219$ - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): $219$