Finite Group DatabasebetaFinite Group Databasebeta| order | 280 |
| isoclinism | isoclinic class of D5×D7 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2 |
No aliases for this group.
| derived, Hall | C5×C7 ⋊ C2×C4 |
| Sylow | C7 ⋊ C4×D5 |
| Sylow | C5 ⋊ C4×D7 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C2 | D5×D7 |
| commutator, hypocenter | C5×C7 | C2×C4 |
| Fitting, socle, cosocle | C2×C5×C7 | C22 |
| prime radical | C2×D35 | C2 |
| LCS | G ▷ C5×C7 | |
| UCS | C1 ◁ C2 | |
32 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 140 |
A minimal faithful permutation representation — 2 generators on 16 points:
(1,2,4,6,7,5,3)(9,10)(11,12)(13,15,16,14);(2,3)(4,5)(6,7)(8,9,11,12,10)(13,14,16,15)Polycyclic presentation:
2^3,5,7|a^2=c,b^2=c,e^a=e^6,d^b=d^440 conjugacy classes — view the full character table.
| maximal subgroup of | #10587920, #10587922, #10587942, … |
| maximal normal subgroup of | #10587920, #10587922, #10587942, … |
| maximal quotient of | #10587837, #10587840, Dic5×Dic7, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(280, 9);