Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| Fitting | C5×#95 ⋊ C2 |
| Sylow | C5 ⋊ #388 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C23 | C22×D5 |
| commutator | C22×C5 | C22×C4 |
| Fitting | C5×#95 | C2 |
| socle, cosocle | C23×C5 | C23 |
| prime radical | C23×D5 | C22 |
| hypercenter | #95 | D5 |
| hypocenter | C5 | #388 |
| LCS | G ▷ C22×C5 ▷ C5 | |
| UCS | C1 ◁ C23 ◁ #95 | |
190 conjugacy classes of subgroups; only the 69 normal subgroups are shown.
This group has 190 conjugacy classes of subgroups — too many to draw. Only its 69 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)(14,16,17,15);(10,11,12,13)(14,15)(16,17);(2,3)(4,5)(11,13)(15,16)Polycyclic presentation:
2^6,5|b^2=ef,c^2=d,b^a=be,c^a=cf,g^a=g^4,c^b=cf68 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#64959, #10605064, #10605067, … |
| maximal normal subgroup of | C2×#64959, #10605064, #10605067, … |
| maximal quotient of | #10599408, #10599409, #10599418, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 297);