Finite Group Databasebeta

C79×#7419 #34119108

order20224
nilpotency class5
isoclinismisoclinic class of #7418
automorphism?
homologyAbelianization (H1) = C2×C4×C79 · Schur multiplier (H2) = C2

Aliases

direct productC79×#7419

Subgroups

subgroupG/H
center, socleC22×C79#357
commutatorC2×C16C2×C4×C79
Frattini, cosocleC22×C16C22×C79
prime radicalC23×C79D16
LCSG ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C22×C4×C79 ◁ C22×C8×C79 ◁ C22×C16×C79 ◁ G

152 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 152 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 119
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 2 generators on 119 points:

(1,2)(3,7,8,5)(4,6)(10,16,17,32)(11,21)(12,27)(13,23)(14,29)(18,35,19,36)(20,37,31,34)(22,28,33,30)(24,26)(25,40)(38,39)(41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119);(1,3)(2,5)(4,8)(6,7)(9,10,15,17)(11,22,26,33)(12,28,13,30)(14,31,29,20)(16,21,32,24)(18,23,19,27)(25,35,38,36)(34,40,37,39)

Conjugacy classes & character table

3871 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 407);