Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #1655 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C2×C4 | #120 |
| commutator, Frattini, cosocle | C42 | C24 |
| socle | C22 | C2×#120 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C2×C4 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
431 conjugacy classes of subgroups; only the 111 normal subgroups are shown.
This group has 431 conjugacy classes of subgroups — too many to draw. Only its 111 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,11)(4,13)(5,8)(6,9)(7,10)(12,15)(14,16)(17,18)(19,26)(20,24)(21,29)(22,25)(23,27)(28,31)(30,32);(1,3)(2,4)(5,12)(6,13)(7,14)(8,11)(9,16)(10,15)(17,19,22,28)(18,23,25,32)(20,27,21,30)(24,31,29,26);(1,4)(2,3)(5,11)(6,16)(7,15)(8,12)(9,13)(10,14)(17,18)(19,23)(20,24)(21,29)(22,25)(26,30)(27,31)(28,32);(1,5,7,6)(2,8,10,9)(3,12,14,13)(4,11,15,16)(17,20,22,21)(18,24,25,29)(19,27,28,30)(23,31,32,26)Polycyclic presentation:
2^8|b^2=h,d^2=g,e^2=g,f^2=gh,b^a=be,c^a=cf,e^a=eg,f^a=fgh,e^b=eg,f^b=fh,e^c=eh,f^c=fgh40 conjugacy classes — view the full character table.
| maximal subgroup of | #153483, #153489, #210390, … |
| maximal normal subgroup of | #153483, #153489, #210390, … |
| maximal quotient of | #165697, #165719, #165721, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11978);