Order = 25545471085854720000 = 220.127.116.11.18.104.22.168.
Mult = 2.
Out = 2.
Standard generators of A21 are a, b where a is in class 3A, b has order 19 and ab has order 21.
Standard generators of S21 are c, d where c is in the smallest conjugacy class of outer involutions, d has order 20 and cd has order 21.
Checking generators (semi-presentations)
|A21||〈〈 a, b | some conditions 〉〉||Download|
- View detailed report.
- Permutation representations:
Number of points ID Generators Description Link 21 Std Details 210 Std Details
- Matrix representations
Char Ring Dimension ID Generators Description Link 0 Z 20 Std Details 0 Z 189 Std Details 0 Z 190 Std Details