Finite Group Databasebeta

C79×#25715 #34137404

order20224
nilpotency class3
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#25715

Subgroups

subgroupG/H
center, socleC23×C79C22×D4
commutator, Frattini, cosocleC22×C4C24×C79
prime radicalC22×D4×C79D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C4×D4×C79 ◁ G

1038 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 107
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 107 points:

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

Conjugacy classes & character table

3634 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 18703);