Emily G Retweeted Lynn ð½
This is a good twetehttps://twitter.com/chordbug/status/943645655314173953 …
Emily G added,
4:34 PM - 21 Dec 2017
0 replies
0 retweets
6 likes
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}
Z₃ {
,
,
}
Z₁₂ {
,
,
,
,
,
,
,
,
,
,
,
}
the Klein four-group {
,
,
,
}