Finite Group Databasebeta

C61×#20984 #29524417

order15616
nilpotency class3
isoclinismisoclinic class of #17386
automorphism?
homologyAbelianization (H1) = C23×C4×C61 · Schur multiplier (H2) = C27

Aliases

direct productC61×#20984

Subgroups

subgroupG/H
center, socleC22×C61C22×C22⋊C4
commutatorC23C23×C4×C61
Frattini, cosocleC24C24×C61
prime radicalC2×C61×#534C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C61 ◁ C23×D4×C61 ◁ G

2102 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 81
transitive degreeμt(G) = 1952

A minimal faithful permutation representation — 4 generators on 81 points:

(1,2)(3,4)(5,6)(7,10,14,17)(8,11)(9,12)(13,16,19,20)(15,18)(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);(5,7)(6,10,12,17)(8,13)(9,14)(11,16,18,20)(15,19);(2,4)(5,8)(6,11)(7,13)(9,15)(10,16)(12,18)(14,19)(17,20);(8,15)(11,18)(13,19)(16,20)

Conjugacy classes & character table

3538 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15616, 13972);