Finite Group Databasebeta

C79×#12990 #34124679

order20224
nilpotency class4
isoclinismisoclinic class of #2184
automorphism?
homologyAbelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C24

Aliases

direct productC79×#12990

Subgroups

subgroupG/H
centerC2×C4×C79C2×D8
commutatorC2×C8C22×C4×C79
Frattini, cosocleC22×C8C23×C79
socleC22×C79C2×#102
prime radicalC79×#3050C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C79 ◁ C23×C4×C79 ◁ C23×C8×C79 ◁ G

518 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 115
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 115 points:

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

Conjugacy classes & character table

4582 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 5978);