Finite Group DatabasebetaFinite Group Databasebeta| order | 21875 |
| nilpotency class | 1 |
| isoclinism | isoclinic class of C1 |
| automorphism | ? |
| homology | Abelianization (H1) = G · Schur multiplier (H2) = C52×C25 |
| abelian | C5×C7×C252 |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C52 | C53×C7 |
| socle, prime radical | C53×C7 | C52 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
852 conjugacy classes of subgroups.
| minimal degree | μ(G) = 62 |
| transitive degree | μt(G) = 21875 |
A minimal faithful permutation representation — 3 generators on 62 points:
(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25)(56,57,58,59,60,61,62);(26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50);(51,52,53,54,55)21875 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21875, 39);