Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2 |
No aliases for this group.
| Sylow | C5 ⋊ #355 |
64 conjugacy classes of subgroups.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 80 |
A minimal faithful permutation representation — 2 generators on 21 points:
(1,2,3,5,4)(7,11)(9,17)(12,20)(13,14)(15,18)(19,21);(2,3,4,5)(6,7,8,12,10,14,16,21)(9,13,18,20,17,11,15,19)Polycyclic presentation:
2^6,5|a^2=c,c^2=f,d^2=f,b^a=bd,d^a=def,e^a=ef,g^a=g^2,c^b=ce,d^b=df,d^c=df,g^c=g^423 conjugacy classes — view the full character table.
| maximal subgroup of | #10598572, #10598834, D5⋊#355, … |
| maximal normal subgroup of | #10598572, #10598834, D5⋊#355, … |
| maximal quotient of | #10598710, #10598719, #10598724, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 261);