Finite Group Databasebeta

C79×#7399 #34119088

order20224
nilpotency class5
isoclinismisoclinic class of #7398
automorphism?
homologyAbelianization (H1) = C2×C4×C79 · Schur multiplier (H2) = C22

Aliases

direct productC79×#7399

Subgroups

subgroupG/H
center, socleC2×C79#1343
commutatorC22×C8C2×C4×C79
Frattini, cosocle#408C22×C79
prime radicalC2×#41×C79D4
LCSG ▷ C22×C8 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C2×C4×C79 ◁ C22×C4×C79 ◁ #408×C79 ◁ G

238 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 238 conjugacy classes of subgroups — too many to draw. Only its 42 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)(3,13,15,40)(4,19)(5,25,26,10)(6,11)(7,12)(8,14,29,44)(9,22,35,56)(16,49,17,33)(18,42,48,60)(20,30,45,31)(21,34)(23,52)(24,53)(27,51,47,37)(28,59,50,41)(32,46,61,54)(36,57,39,62)(38,55,58,64)(43,63)(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);(1,3,7,18)(2,8,12,32)(4,20,24,55)(5,16,26,50)(6,28,21,17)(9,33,35,59)(10,30,25,58)(11,38,34,31)(13,39,42,36)(14,43,46,23)(15,47,48,27)(19,40,53,60)(22,54,56,44)(29,51,61,37)(41,63,49,52)(45,62,64,57)

Conjugacy classes & character table

1975 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 387);