Group Theory 36, Cosets

Group Theory 36, Cosets

[lancelofjohn]

One suggestion in 04:23 (2 3)H=((2 3), ( 1 2 3)) instead of ((2 3, (1 3 2)))

[sarahb]

Hi, I watched your vid and it is very helpfull. Thank you. But I am pretty sure that (12)(13) does not equal  (123).  
 (12)(13) = (132).  So (12)H does not equal to (123)H. 

[jsanch]

properties of cosets 3 is an or not equal as you said

[Maths_Magic_]

property 3 of coset is not that you are telling instead of telling aH=bH and aH intersection with bH are equal, It is aH =bH or aH intersection with bH