Groups (AQA A-Level Further Maths): Quizzes

CAII

$x \circ e = e \circ x = x$

Combining two elements gives an element in set

An inverse $x^{-1}$ where $x \circ x^{-1} = e$

$a(bc) = (ab)c$

The number of elements in the group

Smallest $n$ where $x^n = e$

Table is symmetric about leading diagonal

$2n$

Element producing all others by repetition