Finite Group DatabasebetaFinite Group Databasebeta| order | 20224 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C8 · Schur multiplier (H2) = C22 |
No aliases for this group.
| Sylow | C79 ⋊ #7208 |
248 conjugacy classes of subgroups; only the 83 normal subgroups are shown.
This group has 248 conjugacy classes of subgroups — too many to draw. Only its 83 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 143 |
| transitive degree | μt(G) = 5056 |
A minimal faithful permutation representation — 2 generators on 143 points:
(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(80,82,85,96,86,97,107,126,87,98,108,127,83,94,101,122)(81,88,91,111,89,93,114,120,92,112,106,134,99,121,128,125)(84,102,104,131,103,109,132,135,105,95,118,124,100,123,129,138)(90,110,116,136,113,119,139,141,117,137,133,143,115,130,140,142);(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(80,81,84,90,86,89,103,113,87,92,105,117,83,99,100,115)(82,93,95,119,97,112,123,137,98,121,102,130,94,88,109,110)(85,106,104,133,107,128,132,140,108,91,118,116,101,114,129,139)(96,125,124,142,126,111,138,136,127,120,131,141,122,134,135,143)Polycyclic presentation:
2^8,79|a^2=d,b^2=e,c^2=h,d^2=g,e^2=g,g^2=h,b^a=bc,c^a=cf,e^a=eh,f^a=fh,d^b=dfh,i^b=i^78,d^c=dh1768 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 56577);