Refine search
Elements of the group are displayed as words in the presentation $\langle a, b, c, d \mid a^{2}=b^{2}=c^{4}=d^{84}=[a,b]=[a,d]=1, c^{a}=c^{3}d^{21}, c^{b}=cd^{21}, d^{b}=d^{83}, d^{c}=d^{29} \rangle$ .
Next Download displayed columns for results