Finite Group Databasebeta

C79×#25437 #34137126

order20224
nilpotency class3
isoclinismisoclinic class of #24292
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#25437

Subgroups

subgroupG/H
center, socleC22×C79D42
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC2×AGL(1,ℤ/8)×C79C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C22×C4×C79 ◁ G

894 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 115 points:

(1,2,4,3)(5,6,12,17)(7,18,21,30)(8,14,20,13)(9,23,27,36)(10,28,11,16)(15,26,32,25)(19,31,34,29)(22,35,24,33)(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);(1,2,4,3)(5,7,10,20,12,21,11,8)(6,13,16,18,17,14,28,30)(9,19,25,24,27,34,26,22)(15,29,23,33,32,31,36,35);(1,3)(2,4)(5,8)(6,14)(7,10)(9,24)(11,21)(12,20)(13,17)(15,29)(16,30)(18,28)(19,26)(22,27)(23,33)(25,34)(31,32)(35,36);(5,9,10,25,12,27,11,26)(6,15,16,23,17,32,28,36)(7,19,20,24,21,34,8,22)(13,29,18,33,14,31,30,35)

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, 18425);