Finite Group Databasebeta

C2×C79×#2183 #34145162

order20224
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C23×C8×C79 · Schur multiplier (H2) = C24

Aliases

direct productC2×C79×#2183

Subgroups

subgroupG/H
centerC22×C8×C79C23
commutatorC22C23×C8×C79
Frattini, cosocleC2×C8C24×C79
socle, prime radicalC23×C79C22×C8
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C8×C79 ◁ G

542 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 4 generators on 105 points:

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

Conjugacy classes & character table

8848 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 26461);