Finite Group Databasebeta

C79×#8799 #34120488

order20224
nilpotency class3
isoclinismisoclinic class of #8794
automorphism?
homologyAbelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C4

Aliases

direct productC79×#8799

Subgroups

subgroupG/H
center, socleC22×C79#382
commutatorC42C22×C4×C79
Frattini, cosocleC2×C42C23×C79
prime radicalC23×C79#125
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

220 conjugacy classes of subgroups; only the 110 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 110 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 127
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 3 generators on 127 points:

(1,2,6,10,7,12,5,11)(3,13,4,16,15,9,14,8)(17,18)(19,27,30,40)(20,31,33,24)(21,25)(22,26)(23,29,36,44)(28,41)(32,46,47,37)(34,38)(35,42)(39,43)(45,48)(49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127);(1,3,5,14,7,15,6,4)(2,8,10,13,12,16,11,9)(17,19)(18,23,26,36)(20,28)(21,29)(22,30)(24,35,31,45)(25,27,38,40)(32,42)(33,43)(34,44)(37,39,46,41)(47,48);(1,4,5,3,7,14,6,15)(2,9,10,8,12,13,11,16)(17,20,21,32,22,33,34,47)(18,24,25,37,26,31,38,46)(19,28,29,42,30,43,44,48)(23,35,27,39,36,45,40,41)

Conjugacy classes & character table

3160 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 1787);