Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| Fitting | C5×AGL(1,ℤ/8) ⋊ C2 |
| Sylow | C5 ⋊ #575 |
262 conjugacy classes of subgroups; only the 99 normal subgroups are shown.
This group has 262 conjugacy classes of subgroups — too many to draw. Only its 99 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 21 |
| transitive degree | μt(G) = 80 |
A minimal faithful permutation representation — 4 generators on 21 points:
(1,2,4,5,3)(7,12)(8,15)(9,17)(11,19)(14,16)(18,21);(6,8)(7,11)(9,15)(10,14)(12,18)(13,21)(16,17)(19,20);(8,14)(11,18)(15,16)(19,21);(2,3)(4,5)(6,7)(8,11)(9,13)(10,12)(14,18)(15,21)(16,19)(17,20)Polycyclic presentation:
2^6,5|e^2=f,d^a=df,g^a=g^4,c^b=cf,d^c=de,e^c=ef,e^d=ef44 conjugacy classes — view the full character table.
| maximal subgroup of | #10604864, #10604865, #10612008, … |
| maximal normal subgroup of | #10604864, #10604865, #10612008, … |
| maximal quotient of | #10610598, #10610602, #10610610, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 1445);