Finite Group Databasebeta

C79×#7425 #34119114

order20224
nilpotency class5
isoclinismisoclinic class of #7422
automorphism?
homologyAbelianization (H1) = C2×C4×C79 · Schur multiplier (H2) = C2

Aliases

direct productC79×#7425

Subgroups

subgroupG/H
center, socleC2×C79#1347
commutatorC2×C16C2×C4×C79
Frattini, cosocleC2×M32C22×C79
prime radicalC23×C79SD32
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C2×C4×C79 ◁ C22×C8×C79 ◁ C2×M32×C79 ◁ G

136 conjugacy classes of subgroups; only the 46 normal subgroups are shown.

normal subgroups only

This group has 136 conjugacy classes of subgroups — too many to draw. Only its 46 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) = 143
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 2 generators on 143 points:

(1,2,5,12,9,14,8,35)(3,15,17,49,21,50,20,56)(4,22,25,57,28,48,29,58)(6,31,30,47,7,33,24,13)(10,36,37,52,40,53,39,16)(11,41,43,26,45,60,44,27)(18,54,32,63,19,55,34,42)(23,46,59,62,51,64,61,38)(65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143);(1,3,9,21)(2,10,14,40)(4,23,28,51)(5,20,8,17)(6,32,7,34)(11,42,45,63)(12,37,35,39)(13,46,47,64)(15,48,50,22)(16,26,52,27)(18,24,19,30)(25,61,29,59)(31,62,33,38)(36,41,53,60)(43,54,44,55)(49,58,56,57)

Conjugacy classes & character table

2449 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 413);