Finite Group DatabasebetaFinite Group Databasebeta| order | 320 |
| isoclinism | isoclinic class of #64945 |
| automorphism | ? |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Sylow | C5 ⋊ #400 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini | C23 | C22×D5 |
| commutator, socle, prime radical, cosocle | C23×C5 | C23 |
| Fitting | C5×#95 | C2 |
| hypercenter | #95 | D5 |
| hypocenter | C5 | #400 |
| LCS | G ▷ C23×C5 ▷ C5 | |
| UCS | C1 ◁ C23 ◁ #95 | |
134 conjugacy classes of subgroups; only the 57 normal subgroups are shown.
This group has 134 conjugacy classes of subgroups — too many to draw. Only its 57 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 25 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 25 points:
(1,2,4,5,3)(6,7,8,9)(11,15)(14,17)(20,25)(22,24);(7,9)(10,12,13,16)(11,14,15,17)(18,20)(19,22)(21,25)(23,24);(2,3)(4,5)(10,11)(12,14)(13,15)(16,17)(18,19,21,23)(20,24,25,22)Polycyclic presentation:
2^6,5|a^2=e,b^2=d,c^2=ef,b^a=be,c^a=cd,g^a=g^4,c^b=cf62 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#64949, #10605081, #10605083, … |
| maximal normal subgroup of | C2×#64949, #10605081, #10605083, … |
| maximal quotient of | #10599544, #10599635, #10599636, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(320, 287);