Finite Group Databasebeta

C2×C79×#1606 #34129802

order20224
nilpotency class3
isoclinismisoclinic class of #1595
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C26

Aliases

direct productC2×C79×#1606

Subgroups

subgroupG/H
center, socleC23×C79#120
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC2×#538×C79C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23×C79 ◁ C23×C4×C79 ◁ G

1328 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 4 generators on 105 points:

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

Conjugacy classes & character table

3634 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 11101);