Finite Group Databasebeta

C79×#26652 #34138341

order20224
nilpotency class3
isoclinismisoclinic class of #23886
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C24

Aliases

direct productC79×#26652

Subgroups

subgroupG/H
center, socleC22×C79D42
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC2×AGL(1,ℤ/8)×C79C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C22×C4×C79 ◁ G

784 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 119
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 4 generators on 119 points:

(1,2)(3,6)(4,5)(7,8)(9,10,15,30,14,20,13,19)(11,21,29,16,25,36,24,32)(12,17,27,18,28,35,26,34)(22,37,23,31,39,33,38,40)(41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119);(9,11)(10,16)(12,23)(13,29)(14,25)(15,24)(17,33)(18,31)(19,36)(20,32)(21,30)(22,27)(26,39)(28,38)(34,40)(35,37);(2,5)(6,8)(9,12)(10,17)(11,22)(13,26)(14,28)(15,27)(16,31)(18,30)(19,34)(20,35)(21,37)(23,29)(24,38)(25,39)(32,40)(33,36);(1,3,4,7)(2,6,5,8)(9,12)(10,18)(11,23)(13,27)(14,28)(15,26)(16,31)(17,30)(19,35)(20,34)(21,33)(22,29)(24,39)(25,38)(32,40)(36,37)

Conjugacy classes & character table

3397 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 19640);