Finite Group Databasebeta

C89×#12761 #36390609

order22784
nilpotency class4
automorphism?
homologyAbelianization (H1) = C22×C4×C89 · Schur multiplier (H2) = C25

Aliases

direct productC89×#12761

Subgroups

subgroupG/H
center, socleC22×C89B(4,𝔽2)
commutatorC2×D4C22×C4×C89
Frattini, cosocleC22×D4C23×C89
prime radicalC2×#120×C89C22
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C89 ◁ C23×C89 ◁ C22×D4×C89 ◁ G

936 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 109
transitive degreeμt(G) = 2848

A minimal faithful permutation representation — 3 generators on 109 points:

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

Conjugacy classes & character table

3560 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22784, 5749);