Finite Group Databasebeta

C79×#12119 #34123808

order20224
nilpotency class4
isoclinismisoclinic class of #12117
automorphism?
homologyAbelianization (H1) = C23×C79 · Schur multiplier (H2) = C23

Aliases

direct productC79×#12119

Subgroups

subgroupG/H
center, socleC2×C79#1595
commutator, Frattini, cosocleC2×M16C23×C79
LCSG ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C2×C4×C79 ◁ C2×M16×C79 ◁ G

404 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 404 conjugacy classes of subgroups — too many to draw. Only its 70 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 3 generators on 111 points:

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

Conjugacy classes & character table

1975 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 5107);