Finite Group Databasebeta

C4⋊C4×C121 #14515427

order1936
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C2×C4×C121 · Schur multiplier (H2) = C2

Aliases

direct productC4⋊C4×C121
unambiguous semidirect productC4⋊(C4×C121)

Subgroups

subgroupG/H
centerC22×C121C22
commutatorC2C2×C4×C121
Frattini, socle, prime radical, cosocleC22×C11C22×C11
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C121 ◁ G

39 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 129
transitive degreeμt(G) = 1936

A minimal faithful permutation representation — 2 generators on 129 points:

(2,4)(5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129);(1,2,3,4)

Conjugacy classes & character table

1210 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1936, 21);