Finite Group Databasebeta

C2×C79×#2189 #34145204

order20224
nilpotency class4
isoclinismisoclinic class of #2184
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C26

Aliases

direct productC2×C79×#2189

Subgroups

subgroupG/H
center, socleC23×C79C2×D8
commutator, Frattini, cosocleC2×C8C24×C79
prime radicalC22×#135×C79C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C79 ◁ C23×C4×C79 ◁ C23×C8×C79 ◁ G

1146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 117
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 117 points:

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

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, 26503);