Finite Group Databasebeta

C79×#12724 #34124413

order20224
nilpotency class4
isoclinismisoclinic class of #12721
automorphism?
homologyAbelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#12724

Subgroups

subgroupG/H
center, socleC2×C79#1782
commutatorC22×C4C22×C4×C79
Frattini, cosocleC2×#41C23×C79
prime radicalC2×#41×C79C23
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C2×C4×C79 ◁ C4×#41×C79 ◁ G

670 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 670 conjugacy classes of subgroups — too many to draw. Only its 138 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:

(1,2,6,12)(3,14,17,29)(4,10,5,11)(7,13,20,28)(8,16,25,15)(9,19,27,22)(18,31,23,24)(21,30,32,26)(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);(1,3,7,18)(2,8,13,26)(4,15,19,32)(5,21,22,16)(6,23,20,17)(9,24,11,29)(10,14,27,31)(12,25,28,30);(2,9,13,11)(4,19)(6,20)(8,24,26,29)(10,28,27,12)(14,30,31,25)(15,32)(17,23)

Conjugacy classes & character table

2686 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 5712);