Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C24 |
No aliases for this group.
| Sylow | C5 ⋊ #385 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C23 | C22×D5 |
| commutator | C22×C5 | C22×C4 |
| Fitting | C23×C4×C5 | C2 |
| socle, cosocle | C23×C5 | C23 |
| prime radical | C24×C5 | C22 |
| hypercenter | C23×C4 | D5 |
| hypocenter | C5 | #385 |
| LCS | G ▷ C22×C5 ▷ C5 | |
| UCS | C1 ◁ C23 ◁ C23×C4 | |
234 conjugacy classes of subgroups; only the 87 normal subgroups are shown.
This group has 234 conjugacy classes of subgroups — too many to draw. Only its 87 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 17 |
| transitive degree | μt(G) = 160 |
A minimal faithful permutation representation — 3 generators on 17 points:
(1,2,4,5,3)(6,7,8,9)(15,17);(11,13);(2,3)(4,5)(10,11)(12,13)(14,15,16,17)Polycyclic presentation:
2^6,5|a^2=f,c^2=d,b^a=be,c^a=cf,g^a=g^492 conjugacy classes — view the full character table.
| maximal subgroup of | #10598820, #10600387, #10600388, … |
| maximal normal subgroup of | #10598820, #10600387, #10600388, … |
| maximal quotient of | #10602329, #10602340, #10602348, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 837);