Jim Caprioli at The Finland Station

"... The Dutch are renowned for being very clean and very methodical and a Dutch wife, as she goes about her housework, is no exception. One of her basic household chores is turning over the mattresses each month. This helps to air them properly and prolongs their life by promoting uniform wear. Its a chore that needs two people so its something, which is relevant to anyone who lives in a methodical household. ..." Do you believe it?! Anyway, I read this in the text "Introduction to Groups" (par. 1.2) from Christopher Cooper. Writing about Group Theory in an style? Yep, well sort of. Christopher Cooper gives it a try. If you are new to Group Theory, his set of notes could very well be a start to deep mathematical insights. Don't force it, play like the children. To the point. I have now eight characters for Z4x|Z4. Two more to go. So that's two characters with dimension 2.